Possible causes – Weak battery- Low voltage while cranking– Faulty Engine Control Module (ECM) relay– Blown ECM fuse– Faulty ECM– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon

Possible causes – Wheel slippage (water, ice, mud, and snow)– Excessive engine RPM in NEUTRAL or operated in the wrong transmission gear.– Mechanical engine problems– Mechanical transmission problem– Powertrain control module– Transmission control problem Symptoms – Engine Light ON (or

Possible causes Check other service codes. When is the code detected? Check other service codes. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0229 CHRYSLER Description The Instrument Cluster Module is reporting a fault condition.

Possible causes – AIR relay fault – stuck closed– Secondary AIR pump fault – circuit open in motor– Open ground to secondary AIR pump– Open AIR monitor circuit between the secondary AIR pump and the PCM– Short to voltage in

Possible causes – Check for mechanical condition- Hoses and tubing– Vacuum supply to surge solenoid– Failed Wastegate Actuator– Failed Turbocharger When is the code detected? The ECM did not detect a sufficient variance between the TIP sensor signal and the

Possible causes – Check for mechanical condition- Hoses and tubing– Vacuum supply to surge solenoid– Failed Wastegate Actuator– Failed Turbocharger When is the code detected? The ECM did not detect a sufficient variance between the TIP sensor signal and the

Possible causes – Check other service codes first When is the code detected? The Engine Control Module (ECM) has detected a fault when comparing the Ambient Air, Coolant Temp, and Intake Air temperatures

Possible causes – Engine Control Module/Powertrain Control Module poor electrical connection– Low battery voltage– Poor battery connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Failed Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 CHRYSLER Description The TCM is reporting an internal processor error

Possible causes – Faulty ASD Relay– Faulty CNG Relay– ASD or CNG Relay harness is open or shorted– ASD or CNG Relay circuit poor electrical connection– ASD or CNG Relay poor ground or supply voltage condition When is the code

Possible causes – Faulty Barometric (BARO) Read Only Solenoid– Barometric (BARO) Read Only Solenoid harness is open or shorted– Barometric (BARO) Read Only Solenoid poor electrical circuit connector When is the code detected? The Engine Control Module (ECM) has detected

Possible causes – Faulty Electric Throttle Control (ETC) Actuator– Electric Throttle Control (ETC) Actuator harness is open or shorted– Electric Throttle Control (ETC) Actuator circuit poor electrical connection When is the code detected? he ECM has detected an error between

Possible causes – Faulty electric throttle control actuator (TP sensor 1 and 2)– Throttle Position Sensor harness is open or shorted– Throttle Position Sensor circuit poor connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2135 CHRYSLER

Possible causes – Faulty Electronic Throttle Control (ETC)– Electronic Throttle Control (ETC) harness is open or shorted– Electronic Throttle Control (ETC) circuit poor electrical connection When is the code detected? The Engine Control Moduel (ECM) has detected that the PWM

Possible causes – Faulty Electronic Throttle Control (ETC) Motor– Electronic Throttle Control (ETC) Motor harness is open or shorted– Electronic Throttle Control (ETC) Motor circuit poor electrical connection When is the code detected? The P2119 code is set when the

Possible causes – Faulty Engine control Module (ECM)– Engine control Module(ECM) harness is open or shorted– Engine control Module (ECM) cicuit poor electricl connection– Low battery voltage Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1698 CHRYSLER

Possible causes – Faulty Exhaust Gas Recirculation (EGR) valve– Faulty Exhaust Gas Recirculation (EGR) valve solenoid– Exhaust Gas Recirculation (EGR) valve carbon blockage When is the code detected? The Engine Control Module (ECM) is detecting Exhaust Gas Recirculation (EGR) flow

Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks

Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks

Possible causes – Faulty fuel rail pressure sensor– Fuel rail pressure sensor harness is open or shorted– Fuel rail pressure sensor circuit poor electrical connection– Fuel pressure variation check Symptoms – Engine Light ON (or Service Engine Soon Warning Light)