DTC P1606 Serial Communication Problem With Device 6 P1874 TCC Stator Temp. DTC P1680 Driver 5 This message is displayed when the cooloing system temperature gets to hot and the engine will enter the coolant protection mode, this will keep the truck from further damage internally. DTC P1610 Loss of PZM Serial Data Throttle Actuator Control (TAC) Module Replacement Operate the vehicle within the Conditions for Running the DTC. Test for poor connections at the TAC module harness connector. Replace the PCM. Sensor Low Voltage Signal Out-Of-Range Low Switch Circuit Low P1520 Transmission Range Switch Circuit P1521 Transmission Engaged at High Throttle Angle DTC P1603 Loss of SDM Serial Data Perhaps due to the new ECM having the latest calibrations installed, the Reduced Power mode became a hard failure, which was cured by cleaning ground G105. Diagnostic Trouble Code (DTC) List, Powertrain Control Module (PCM) Connector End Views, Diagnostic System Check - Engine Controls, DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610, Testing for Intermittent Conditions and Poor Connections, Throttle Actuator Control (TAC) Module Replacement, Powertrain Control Module (PCM) Replacement. In May 2015, the Yukon experienced another no-cranking, no-start, and instrument cluster failure and again arrived via tow truck at my clients shop. P1656 Driver 2 Line 6P1657 1-4 Upshift Solenoid Control Circuit DTC P1578 BBV Sensor Ckt. This type of fretting may be caused by vibration, thermal cycling and/or poor connection/terminal retention. P1847 2-3 Shift Solenoid Circuit High Voltage Increase the engine speed to 3000RPM, if possible. Clear any DTCs from memory that may have set from the low battery voltage condition. 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. DTC P1503 Theft Deterrent Fuel Enable Signal Not Correct. Drives fine on level ground, but when accelerate uphill, loses power. Does the DMM indicate voltage on both circuits above the specified value? Engine Controls Schematics, Connector End View Reference: Lets look at a ground distribution chart for the answer. I believe those very qualities created the aforementioned random Reduced Power mode and loss of ECM functions. I bought it two months ago used from a dealer. (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 Citroen Idle air control solenoid valve signal 3 circuit low input, P1519 Citroen 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. Go to An inspection of the fuses may lead you to the circuit that is shorted So, how could cleaning the engine block ground solve the P1515 and P2135 DTCs and the Reduced Power mode? P1568 Cruise Servo Stroke Greater than Commanded in Cruise The TAC module continuously test the integrity of this data. P1569 Cruise Servo Stroke High While not in Cruise 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. P1588 Cruise Control Clutch Control Circuit High DTC P1570 Traction Control Active - Cruise Control Disabled P1519 Citroen Electronic . An inspection of the fuses may lead you to the circuit that is shorted to the TAC module ground circuit. Many alternator problems turn out to be nothing more than a bad connection at the alternator or a bad wiring harness. Fuel) Gas Mass Sensor Circuit Low Frequency The TB now loses power and (Reduced Engine Power) light comes on. P1792 ECM to TCM Engine Coolant Signal P1793 Transmission Control Module Stack Overrun IlluminationP1701 Trans. It is not throwing any check engine lights. Grimes, from the research I was able to do, this problem appears to have two primary causes: the throttle body connector/wiring, and the throttle body ground (G103). Are there any DTCs that have not been diagnosed? Fortunately for us, the Yukon went into Reduced Power mode before leaving the parking lot on its first test drive. If the PCM detects a communication error, DTCP1518 sets. DTC P1561 Cruise Vent Solenoid P1433 Fuel Level Sensor 2 Circuit High Voltage DTC P1637 Generator L-Terminal Circuit DTC P1559 Cruise Control Power Management Mode P1372 Crankshaft Position (CKP) Sensor A-B Correlation P1813 Torque ControlP1814 Torque Converter Overstressed P1815 Transmission Range Switch - Start In Wrong Range DTC P1666 Driver 3 Line 6 cruise, brake. She Was Driving And As She Was Accelerating The Car Just Stopped. P1120 Throttle Position (TP) Sensor 1 Circuit "Reduced Power" or "Limp Mode" which is designed to get the car where it is My Mother's Suv Is A 1500 Z71. Test the TAC side of the fuse terminal for a short to ground with a DMM. P1844 Torque Reduction Signal Circuit Desired By TCM P1567 Active Banking Control Active - Cruise Control Disabled the diagnostic runs and fails. DTC P1612 Loss of IPM Serial Data, DTC P1613 Loss of DIM Serial Data P1795 CAN Bus - Throttle Body Position P1800 TCM Power Relay Control Circuit P1801 Performance Selector Switch Failure It attaches under the lip of the resonator box in a grommet. P1515 Electronic Throttle System Throttle Position 2016 Yukon Denali radiator cooling fan runs after engine shut off. A DTC P1518 was stored in the history codes, which my clients shop diagnosed as a bad ignition switch. Engine remains on, but no power. document.write('

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