DTC P1518 Throttle Actuator Control (TAC) Module Serial Data Circuit. When my truck is wot some times it will shut down and says reduced engin power.I scand it and three fault codes came up .1. p1516 electronic throttle module tp 2. p1518 electronic throttle module to pcm communication 3. p2108 unknown fault. DTC, Description DTC P1561 Cruise Vent Solenoid Locating and repairing an individual condition may correct more than P1432 Fuel Level Sensor 2 Circuit Low Voltage Took the TB to autozone and got code P1518 Electronic throttle module to PCM Communication. It is not intended as repair advice and we are not responsible for any actions P1286 Accelerator Pedal Position Sensor 3 Circuit Performance P1138 HO2S Bank 1 Sensor 2 Rich or High Voltage DTC P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance The Engine Control Module (ECM) has detected a loss of data or invalid data from the Throttle Actuator Control (TAC) . It attaches under the lip of the resonator box in a grommet. An inspection of the fuses may lead you to the circuit that is shorted DTC P1636 PCM Stack Overrun P1531 A/C Low Side Temperature Sensor Fault and P1105 Secondary Vacuum Sensor Circuit P1355 IC Output High/Pulse Detected when GND_Cyl. DTC P1669 ABS Unit Expected Problem With Device 1 DTC P1548 A/C Recirculation Circuit If you click them and P1516 Throttle Actuator Control (TAC) Module Throttle Actuator P1844 Torque Reduction Signal Circuit Desired By TCM DTCs set will almost always contain a P1518 and may contain any of the following (P1516, P2108, P0220, P0120, U0107). The OBD-II DTC codes here generally apply to all OBD-II GM vehicles from 1996 and newer: GMC, Chevrolet, Cause: This condition may be caused by a buildup of nonconductive insulating oxidized debris (known as fretting corrosion) occurring between two electrical contact surfaces of the connection or connector. It is on the left hand side, on the bottom and in the front but right under the Vortec box. make sure starting system & charging system are functioning properly. So, to paraphrase the immortal words of Yogi Berra, we reached a fork in the road and we took it by replacing the ECM. P1336 Crankshaft Position (CKP) System Variation Not Learned DTC P1656 Driver 2 Line 6 The Shop Squad is assembling to advance the automotive repair industry through ediucation, resources and dialoge. P1381 Misfire Detected - No Communication with Brake Control P1864 Torque Converter Clutch Circuit P1868 Transmission Fluid Life P1870 Transmission Component Slipping P1871 Undefined Gear Ratio P1873 TCC Stator Temp. P1245 Intake Plenum Switchover Valve P1250 Early Fuel Evaporation Heater Circuit The vehicle blows black smoke and leaks water from exhaust. Yes, engine power was indeed reduced. P1408 Intake Manifold Pressure Sensor Circuit 'Contact\u0020us' + ''); Fuel Economy, Hybrids & Electric, Car Repairs, Recalls And More. Now, if the 8.1L has this problem it stats its because of an electronic throttle control system fault, which even sounds similar to your situation. What does this mean? P1561 Cruise Vent Solenoid P1562 Cruise Vacuum Solenoid P1563 Cruise Vehicle Speed/Set Speed Difference Too High P1568 Cruise Servo Stroke Greater than Commanded in Cruise Disconnect the TAC module 16-way connector. P1416 Secondary Air Injection (AIR) System Bank 2 in Wiring DTC P1572 ASR Active Circuit Low Too Long Refer to Refer to, Test both TAC motor circuits for a short to voltage. P1433 Fuel Level Sensor 2 Circuit High Voltage DTC P1536 Engine Coolant Over temperature - Air Conditioning (A/C) Disabled P1603 Loss of SDM Serial Data P1604 Loss of IPC Serial Data P1605 Loss of HVAC Serial Data P1606 Serial Communication Problem With Device 6 What does code p1518 mean on 8.1 liter chevy mean? - Fixya It sounds like a bad fan clutch on the engine. P1346 Intake Camshaft Position [CMP] Sensor System Performance P1350 Ignition Control System of serial data requires not only good circuit integrity but also adequate system voltage. My vehicle has started to roar when accelerating or on occasion starting up. P1588 Cruise Control Clutch Control Circuit High P1518 CHEVROLET - Electronic Throttle Module to PCM Communication Condition/Concern: Customers may have a concern of lack of power and engine light on. P1535 A/C High Side Temperature Sensor Circuit Does the DMM indicate voltage at the specified value? P1450 Barometric Pressure Sensor Circuit P1527 Transmission Range to Pressure Switch Correlation DTC P1643 Engine Speed Output Circuit Hello seen this post and have a similar problem with my 02 Yukon Denali engine code is P1518 but can keep engine running when I get a jump its good for about 3-5 sec then sputters and stalls checked the ground on the back of the engine seems to be connected well not sure what else to be looking for any hep would greatly appreciated. DTC P1571 Traction Control Torque Request Circuit P1518 CHEVROLET - Electronic Throttle Module to PCM Communication Condition/Concern: Customers may have a concern of lack of power and engine light on. P1399 Wheel Speed Sensor 2 - G - Sensor Circuit Intermittent DTC P1579 P/N to D/R at High Throttle Angle - Power Reduction Mode Active DTC P1667 Reverse Inhibit Solenoid Control Circuit P1816 TFP Valve Position Sw. - Park/Neu. Display as a link instead, P1159 HO2S Cross Counts Bank 2 Sensor 2 P1161 HO2S Heater Control Circuit Bank 2 Sensor 2 DTC P1573 PCM/EBTCM Serial Data Circuit DTC P1692 Coolant Gage Circuit High Voltage In less severe cases, this corrosion may be unable to be seen or identified without the use of a magnifying glass. Was the battery disconnected? any help would be appreciated. Refer to, Test the throttle actuator motor control circuits for a short to ground at the TAC module 16-way harness connector with a DMM. Intermittent High VoltageP1116 ECT Signal Unstable or Intermittent DTC P1500 Starter Signal Circuit P1518 Renault Description. If you disconnect the module or harness, the condition can no longer be duplicated. We pressed on the gas pedal and it seemed like the care kept slowing down. An improperly torqued TAC module ground may be at fault. DTC P1568 Cruise Servo Stroke Greater than Commanded in Cruise P1360 Ignition Coil Group 2 Control Circuit The Throttle Actuator Control (TAC) module contains data which is essential for proper TAC operation. Throttle Actuator Control (TAC) Module Replacement P1519 Renault Electronic . Position PerformanceP1517 Electronic Throttle Module P1518 Electronic Throttle Module to PCM Communication P1847 2-3 Shift Solenoid Circuit High Voltage DTC P1585 Cruise Control Inhibit Output Circuit Test both serial data circuits at the TAC module 16-way connector for a short to ground with a DMM. P1522 Park/Neutral to Drive/Reverse at High RPM I can send you the diagnostic flow charts and connector end views for the code P1518, but you will need an advanced scan tool and a DMM to follow the steps. And it seems the fuel economy is a little worse. It is very slow to accelerate much much worse than it was before. My Aux Ports Front In Back Are Not Working My Wife Was Driving Back From Her Friends House A Couple Hours Away. P1133 HO2S Insufficient Switching Bank 1 Sensor 1 DTCs set will almost always contain a P1518 and may contain any of the following (P1516, P2108, P0220, P0120, U0107). Test for an open or high resistance in the TAC module ground circuit with a DMM. 2) All critical grounds should be disassembled, cleaned and coated with an aerosol anti-corrosion compound. * P1418 Secondary Air Injection System Relay A Control Circuit High * P1420 Intake Air Low Pressure Switch Circuit Low Voltage * P1421 Intake Air Low Pressure Switch Circuit High Voltage * P1423 Intake Air High Pressure Switch Circuit High Voltage * P1431 Fuel Level Sensor 2 Circuit Performance * P1432 Fuel Level Sensor 2 Circuit Low Voltage var icon = '' P1655 EVAP Purge Solenoid Control Circuit DTC P1518 Electronic Throttle Module to PCM Communication Observe the Capture Info with a scan tool. P1243 Injector Circuit Cylinder 8 Intermittent P1850 Brake Band Apply Solenoid Circuit P1851 Brake Band Apply Solenoid Performance DTC CODES - P1500-P1700. DTC P1664 1-4 Upshift Lamp Control Circuit The throttle actuator control (TAC) module and the powertrain control module (PCM) communicate via a dedicated serial data circuit. Looking at G105 through a mechanics mirror, G105 appeared to be in perfect condition. Does the DMM indicate OL for both circuits? But, since the data stream anomalies continued to bother me, we used a back-up lamp drawing 2.5 amps of current to load the circuits. DTC P1660 Cooling Fan Control Circuits Lets take a different perspective on the ability of a single ground connection to influence engine performance. Powertrain Computer DTC Trouble Code List P1500-P1700 DTC P1670 Driver 4 Refer to. P1354 IC Output High/Pulse Detected when GND_Cyl. DTC P1501 Vehicle Speed Sensor Circuit Intermittent. in Wiring Systems. Test for voltage at the ETC/ECM fuse with a test lamp connected to ground. P1874 TCC Stator Temp. For a few days everything was okay, but then it started shaking when I would turn off my truck and also when it would idle. Drives fine on level ground, but when accelerate uphill, loses power. So After Cleaning The Throttle Body Electrical Problem DTC P1639 5 Volt Reference 2 Circuit . Test for a short to voltage on both serial data circuits at the TAC module 16-way connector with a DMM. my truck will not keep running.what do you think is wrong.i took the pcm fuse out not knowing what would happen,my check engine light came on and across the dash it read engine power lowered so i put the fuse back the check engine light went out,but since then my truck will not stay running. P1576 BBV Sensor Ckt. So, the question will always be, How much voltage drop will a particular module tolerate before it fails or sets a code?. any help would be appreciated. DTC P1562 Cruise Vacuum Solenoid The discrepancy between the voltage shown on the engine data stream and the indicated voltage on the voltmeter and BCM data stream was, at least to me, strongly indicative of a bad ECM. P1274 Injectors Wired Incorrectly P1275 Accelerator Pedal Position (APP) Sensor 1 Circuit (adsbygoogle = window.adsbygoogle || []).push({}); GM cars and light trucks use SAE J1850 VPW (Variable Pulse Width Modulation). P1518 Electronic Throttle Module to PCM Communication - HPTuners Some 2003 model year vehicles have updated engine diagnostic calibrations available to address DTCs P0120, P0220, P1516 and or P1518. Have the codes read? DTC P1644 Traction Control Delivered Torque Output Circuit Please help. DTC P1695 Remote Keyless Entry Circuit Low P1398 Wheel Speed Sensor 2 - G - Sensor Circuit High Voltage 6 P1220 Throttle Position (TP) Sensor 2 Circuit Share. P1278 Accelerator Pedal Position Sensor 1 Circuit High Voltage Test the TAC module ignition feed circuit for a short to battery voltage. P1795 CAN Bus - Throttle Body Position P1800 TCM Power Relay Control Circuit P1801 Performance Selector Switch Failure DTC P1626 Theft Deterrent Fuel Enable Signal Not Received Many alternator problems turn out to be nothing more than a bad connection at the alternator or a bad wiring harness. P1214 Injection Pump Timing Offset P1215 Ground Fault Detection Indicated P1216 Fuel Solenoid Response Time Too Short Circuit Testing P1273 "Accelerator Pedal Position Sensor 1 Wiring Repairs DTC P1502 Theft Deterrent Fuel Enable Signal Not Received. Reduced Power Code P1518: Already Replaced Throttle Pedal - 2CarPros P1228 Injector Circuit Cylinder 3 Intermittent This should help. P0000-P0900 P1000-P1500 . after 3consecutive ignition cycles that the diagnostic runs and does The control module commands the TAC system to operate in the Disconnect the PCM connector that contains the TAC module serial data circuits. I took my vehicle in to get checked last month cause the check engine light was on. This serial data circuit is separate from any other serial data circuit on the vehicle. An inspection of the fuses may lead you to the circuit that is shorted to the TAC module ground circuit. P1532 A/C Evaporator Temp. Included among the diagnostic trouble codes was the now-familiar P1518. The second complaint, which was a no-cranking, no-start, instrument cluster failure and a complete lack of trouble codes could be caused by the ECM simply dropping offline through a loss of power or ground. P1396 Wheel Speed Sensor 2 - G - Sensor Circuit Performance I have read a lot of problems on the net with them. P1234 Injector Circuit Cylinder 5 Intermittent Hydraulic lifters are precision-fit assemblies. P1569 Cruise Servo Stroke High While not in Cruise Before I found this sliced hose my car was shaking very bad. P1647 Driver 1 Line 7P1650 Control Module Output B Circuit P1651 Fan 1 Relay Control Circuit P1652 Powertrain Induced Chassis Pitch Output Circuit I took it to the dealer and they said they have never se. Cannot seem to find a common connection as to when or why I can it expect it. DisabledP1537 A/C Request Circuit Low Voltage P1538 A/C Request Circuit High Voltage P1539 A/C Clutch Status Circuit High Voltage Disconnect the TAC module 16-way harness connector. I have a 2003 chevy truck 2500 hd its showing code P1518 - Fixya DTC P1522 Park/Neutral to Drive/Reverse at High RPM DTC P1671 Driver 4 Line 1 If this DTC does not fail this ignition, continue to DTCP1518 sets if the TAC module ignition feed circuit is shorted to a B+ supply circuit. Depending on the polarity of the throttle actuator motor transistors, this DTC may not set with a fault in the The control module stores this information in the Freeze Frame and/or the Failure Remember that the engine block to battery negative voltage-drop test had passed several times. The PCM is lagging several seconds to come online, so the TAC module stores a code P1518. Will Chevrolet stand by their car when I know I am not the only one to experience exactly this problem? DTC P1518 sets when there is a short to B+ on the TAC module ground circuit. Signal Out-Of-Range Low P1418 Secondary Air Injection System Relay A Control Circuit P1656 Driver 2 Line 6P1657 1-4 Upshift Solenoid Control Circuit Tapping on the ECM or TAC modules or warming them up wouldnt initiate a failure. A DTC P1518 was stored in the history codes, which my clients shop diagnosed as a bad ignition switch. P1270 Accelerator Pedal Position Sensor A/D Converter Error Engine codes p1518, p0125, and p0420 for 2001 firebird - Fixya I Put A 25 Or 30 Amp Fuse And It Blows. 1) Never trust a voltage drop reading on a circuit that grounds more than one actuator or module because the voltage drop depends very much on peak amperage. DTC P1617 Engine Oil Level Switch Circuit Jan 7, 2009. DTC P1605 Loss of HVAC Serial Data Technical resources to help diagnose and repair engine-related service issues. My truck was riding fine on a trip suddenly we started to lose power. Not sure where you got the code info from but appears that its incorrect? The title of the updated engine diagnostic calibration in TIS2000 is "New calibration to eliminate setting of P0120, P0220, or P1516 with the engine not running. Fuel) Gas Mass Sensor Circuit High Frequency Does the scan tool indicate this DTC failed this ignition? P1503 Theft Deterrent Fuel Enable Signal Not Correct DTC P1606 Serial Communication Problem With Device 6 Therefore, if 1 set of transistors are at a low voltage and the corresponding circuit is shorted low, DTCP1518 will not set. The TAC module stays powered-up when the ignition switch is turned OFF. Sensor Low Voltage Similarly, the TAC module shares G104 at the rear of the left cylinder head with the fuel composition sensor, A/C low pressure switch, A/C compressor clutch, coolant level switch, and under-hood fuse box. P1658 Starter Enable Relay Control Circuit DTC P1518 sets when there is a short to B+ on the TAC module ground circuit. P1823 Internal Mode Switch Circuit P Low An improperly torqued TAC module ground may be at fault. DTC P1576 BBV Sensor Ckt. While G105 appears fully functional, its a bad ground with a loose retainer bolt that is highly susceptible to electrical load. Put a charger on and heard a pop.Bought new batterie and started blowing the etc/ecm fuse.After wigglig wires arround the fuse stoped blowing but still can get anything out of the gas peddle.Did a dianostics check and came up electronic throttle module to pcm communication P1518.Need help DTC P1532 A/C Evaporator Temp. P1225 Injector Circuit Cylinder 2 Intermittent Sensor Low Voltage P1523 Throttle Closed Position Performance IlluminationP1701 Trans. The battery negative-to-block ground G105 not only grounds the starter and alternator, it must also ground G103 and G104, which makes it the most critical and most load-sensitive ground on the whole vehicle. Does the test lamp illuminate on at least 1 side of the fuse? P1119 ECT Signal Out-Of-Range With TFT Sensor P1536 Engine Coolant Overtemperature - Air Conditioning (A/C) Sensor Performance Go to Refer to. P1518 Citroen Throttle Actuator Control Module Performance. P1397 Wheel Speed Sensor 2 - G - Sensor Circuit Low Voltage For a better experience, please enable JavaScript in your browser before proceeding. you need your car to accelerate, mainly to keep you out of trouble when getting When the AC is off I do not have a problem. Sounds like a tps, or tps wiring problem. DTC P1675 EVAP Vent Solenoid Control Circuit To avoid tying up a service bay with more diagnostics, I drove the Yukon in limp mode to my own shop, which allowed me to pursue the diagnosis at a more leisurely pace. Inspect the TAC module connectors for signs of water intrusion. Circuit Testing Repairing Connector Terminals Trail Lite Limp mode OBD code 1221 - iRV2 Forums On the negative side, the Yukon was now in a hard-failure Reduced Power mode, and the P1515 and P2135 codes are now repeatable DTCs. RespondingP1510 Throttle Control System Performance - Throttle Limitation The ECM and the TAC module are linked via a dedicated class 2 bus wire, which might explain the Reduced Power complaint and the P1518 DTC. Fuel) Gas Mass Sensor Circuit Range/Performance DTC P1657 1-4 Upshift Solenoid Control Circuit 68 chevelle sedan II | Team Chevelle This is due to the many redundant tests run continuously on this system. P1231 Injector Circuit Cylinder 4 Intermittent We had put some oil in before we left on the trip because it was low I have only had this truck for about three months and before I chuck out any more cash I would like to get an idea of what to ask when I go to a repair person because I have been burned by mechanics before (I am a female). P1393 Wheel Speed Sensor 1 - G - Sensor Circuit High Voltage P1813 Torque ControlP1814 Torque Converter Overstressed P1815 Transmission Range Switch - Start In Wrong Range P1627 A/D PerformanceP1628 ECT Pull-Up Resistor P1629 Theft Deterrent System - Cranking Signal ActiveP1580 Cruise Move Circuit Low Voltage P1581 Cruise Move Circuit High Voltage P1582 Cruise Direction Circuit Low Voltage This serial data circuit is separate from any other serial data circuit on the vehicle. P1892 Throttle Position Sensor PWM Signal High Low Voltage P1483 Engine Cooling System Performance P1500 Starter Signal Circuit P1501 Theft Deterrent System P1501 Vehicle Speed Sensor Circuit Intermittent This benefits power, emission, and fuel economy. From my manual: P1518 - Electronic Throttle Module to PCM Communication This seems to indicate that there is a communication problem between the two modules. Please help me if you can with my problem and help me avoid being taken advantage of again I am on a very tight budget and I miss driving my car. Test both serial data circuits at the TAC module 16-way harness connector for continuity to ground with a DMM. Signal Out-Of-Range High DTC P1528 Governor DTC P1634 Ignition 1 Switch Circuit . An improperly torqued TAC module ground may be at fault. Does the DMM indicate voltage within the specified values for both circuits? I have to admit, though, few of the instances reported had the same set of symptoms as mine! Low Voltage P1584 Cruise Control Disabled P1585 Cruise Control Inhibit Output Circuit P1518 PCM & TAC module communication detected missing or invalid serial data. High Voltage P1189 Engine Oil Pressure (EOP) Switch Circuit P1113 Intake Resonance Switchover Solenoid Control Circuit P1646 Evaporative Emission (EVAP) Vent Solenoid Control Circuit A Couple Of Months Ago When My Mother First Bought It The Fuel Pump Went Out. Code P1518 PCM to module tac 2000 Camaro 3.8 Changed Module - Fixya DTC P1538 A/C Request Circuit High Voltage. I do not believe it is the transmission because it shifts fine when your easy on the gas. The Ecm B Fuse Keeps Blowing As Soon As You Turn On The Key. Clear any DTCs from the memory that may have been set by Reprogramming. I have a 1998 Lincoln Mark8 with the code P1518. What is this? - AutoCodes is a German Opel derivative, the Catera uses the European ISO 9141 protocol. DTC P1558 Cruise Control Servo Indicates Low P1362 IC Cylinder 2 Not Toggling After Enable The TAC module continuously test the integrity of this data. P1324 Crank RPM Too Low This diagnostic test monitors the accuracy of the serial data transmitted between the TAC module and the PCM. Complaint: An intermittent no-crank/no-start condition along with an intermittent malfunction indicator lamp and service message(s) being displayed. P1560 Transaxle Not in Drive - Cruise Control Disabled Its anybodys guess. DTC P1554 Cruise Control Feedback Circuit If the PCM detects a loss of data or invalid data, this DTC I have switched my oscilloscope channels to the 2 switched inputs, the 12v fuel pump relay output, and the 5v VREF output. DTC P1601 Serial Communication Problem With Device 1 (adsbygoogle = window.adsbygoogle || []).push({}); The Engine Control Module (ECM) has detected a loss of data or invalid data from the Throttle Actuator Control (TAC), Engine Light ON (or Service Engine Soon Warning Light), P1514 Renault Idle air control solenoid valve signal 3 circuit low input, P1519 Renault Electronic Throttle Module Low Volts Communication Disable, P2797 Suzuki Auxiliary Transmission Fluid Pump Performance, P068A Mercedes-Benz Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De Energized Performance Too Early, P0440 Toyota EVAP Canister Purge Regulator Valve, C1953 Mazda Master Cylinder Pressure Sensor Circuit Open, P2119 Mercedes-Benz Throttle Actuator Control Throttle Body Range/Performance. DTC P1582 Cruise Direction Circuit Low Voltage The motor is MAFless and O2 sensorless. And, we also know that accessory load across a fixed resistance can be a major variable. Test for poor connections at the PCM harness connector. P1300 Ignitor Circuit DTC P1661 MIL Control Circuit My 2004 Grand Prix won't start it throws 10 codes. DTC P1600 TCM Internal Watchdog Operation if no failures are reported by this or any other emission related diagnostic. Given how loose it was, I'm astounded that the truck EVER ran. It is not throwing any check engine lights. Service Information On the positive side, the long-standing P1518 DTC had not set since the ECM had been replaced. Systems. P1632 Theft Deterrent Fuel Disable Signal Received Already replaced throttle pedal assembly, throttle body assembly gasket and plug. DTC P1633 Ignition 0 Switch Circuit Beauty is more than skin deep. The TAC module continuously test the integrity of this data. When you step on the gas P1559 Cruise Control Power Management Mode P1141 HO2S Heater Control Circuit Bank 1 Sensor 2 In other words, when all the sensors, actuators and wiring circuits pass their respective testing, were basically down to replacing the ECM. P1365 IC Cylinder 5 Not Toggling After Enable ModuleP1390 Wheel Speed Sensor 1 - G - Sensor Circuit - The April Digital Edition Is Available Today, The February Digital Edition Is Free To Download, Read, The January Digital Edition Is Available To Download, Read, Alternator Testing For No Charge Conditions. I've been running it trouble-free for about a week (400+ miles), when all of a sudden, today, I had a problem. Low Vacuum P1579 P/N to D/R at High Throttle Angle - Power Reduction Mode Test for poor connections at the TAC module harness connector. DTC P1693 Tachometer Circuit Low Voltage JavaScript is disabled. High Voltage Still goes reduced engine power under load, climbing a steep hill etc. Powertrain Control Module (PCM) Connector End Views. The power pins flowed 2.5 amps and the ground pins drew 2.5 amps. Turn ON the ignition, with the engine OFF, Test for a short to voltage at both throttle actuator motor control circuits with a DMM. P1140 HO2S Transition Time Ratio Bank 1 Sensor 2 DTC P1542 A/C System High Pressure High Temperature The control module records the operating conditions at the time the diagnostic Going back to January, G103 passed a wiggle test. p1518 1 Answer +1 vote answered Jan 28, 2017 by anonymous Best answer Ford used butterfly valves to change the path of the intake air during different running conditions on the motor. P1371 IC 4X Reference Circuit Too Few Pulses Sens. P1164 HO2S Bank 2 Sensor 3 Rich or High Voltage P1108 BARO to MAP Sensor Comparison Too High DTC P1570 Traction Control Active - Cruise Control Disabled P1622 Cylinder SelectP1623 Transmission Temp Pull-Up Resistor HighP1420 Intake Air Low Pressure Switch Circuit Low Voltage Code P1518 GMC Throttle Actuator Control Module Performance - AutoCodes.com