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TroubleCodes (30 of 130)

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1.8L L4 VIN 1 Auto



Trouble Code: P1507

IAC Valve Closing Coil Signal Low

Trouble Code Conditions: Engine runtime over 5 seconds, and the PCM detected the IAC Valve Closing Coil signal remained in a low state during the test.

Possible Causes:



IAC valve control signal is open
 
IAC valve control signal is shorted to ground
 
IAC valve is damaged or has failed
 
PCM has failed (IAC "driver" circuit may be open in the PCM)
 

Trouble Code: P1508

IAC Valve Closing Coil Signal High

Trouble Code Conditions: Engine runtime over 5 seconds, and the PCM detected the IAC Valve Closing Coil signal remained in a high state during the test.

Possible Causes:



IAC valve control signal is shorted to system power (B+)
 
IAC valve is damaged or has failed
 
PCM has failed (IAC "driver" circuit may be shorted in the PCM)
 

Trouble Code: P1529

Customer Snapshot Request Error

Trouble Code Conditions: Engine started, engine running, and the PCM did not receive the Customer Request Snapshot Data (MIL and Freeze Frame Data) as requested from the Transmission Control Module (TCM).

Possible Causes:



Transmission control module error
 
Check for trouble codes in the transmission control module
 
TSB 1-40-005 (3/01) contains information about this code
 

Trouble Code: P1586

A/T To M/T Codification

Trouble Code Conditions: Engine speed over 2200 rpm, and the PCM detected the A/T to M/T Codification input was "off" with the gear switch "on", or that the A/T to M/T Codification input was "on" with the gear switch input "off".

Possible Causes:



A/T to M/T codification input circuit is open
 
A/T to M/T codification input circuit is shorted to ground
 
A/T to M/T codification input circuit is VREF or system power
 
PCM has failed
 

Trouble Code: P1606

Chassis Accelerator Sensor Signal Performance

Trouble Code Conditions: Engine running and the PCM detected an unexpected voltage condition on the Chassis Accelerator sensor circuit during the test.

Possible Causes:



Chassis acceleration sensor signal circuit is open
 
Chassis acceleration sensor signal circuit is shorted to ground
 
Chassis acceleration sensor signal circuit is shorted to power
 
Chassis acceleration sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1611

MIL Request Circuit Low Input

Trouble Code Conditions: Key on or engine running, and the PCM detected the MIL Request circuit remained in a low state during the CCM test.

Possible Causes:



MIL request control circuit is shorted to sensor ground
 
MIL request control circuit is shorted to chassis ground
 
PCM is damaged
 

Trouble Code: P1614

MIL Request Circuit High Input

Trouble Code Conditions: Key on or engine running, and the PCM detected the MIL Request circuit remained in a high state during the CCM test.

Possible Causes:



MIL request control circuit is shorted to system power (B+)
 
MIL "bulb" circuit is open or missing
 
PCM is damaged
 

Trouble Code: P1624

MIL Request Circuit (TCM To PCM) Circuit Malfunction

Trouble Code Conditions: Key on or engine running and PCM detected a signal from the TCM indicating it had detected a problem in the MIL Request circuit.

Possible Causes:



Perform the related TCM diagnostics
 
TCM may have failed
 

Trouble Code: P1632

Generator Battery Detection Circuit Malfunction

Trouble Code Conditions: Engine running, and the PCM detected the Battery Detection circuit voltage was less than 8 volts during the CCM test.

Possible Causes:



Circuit C249-9 open between the Generator and the PCM
 
Generator is damaged or has failed
 
PCM has failed
 

Trouble Code: P1673

Cooling Fan Circuit Malfunction

Trouble Code Conditions: Key on or the engine running and the PCM detected an unexpected voltage condition on the Fan control circuit during the CCM test. Note: The cooling fan relay pull-in coil resistance is 80 ohms at 68°F.

Possible Causes:



Cooling fan relay control circuit is open
 
Cooling fan relay control circuit is shorted to ground
 
Cooling fan relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P1693

Antenna Error

Trouble Code Conditions: Passive mode invalid. Programming error.

Possible Causes:



Open or short in antenna or SMARTRA circuit
 
Antenna
 
SMARTRA
 
Faulty transponder
 
Faulty ECM
 

Trouble Code: P1700

Overdrive (O/D) Off Lamp Circuit Malfunction

Trouble Code Conditions: Engine running and the PCM detected an unexpected voltage condition on the Overdrive Off Lamp circuit during the CCM test.

Possible Causes:



O/D "Off" lamp circuit is open between PCM and the TCM
 
O/D "Off" lamp circuit is shorted to ground between the TCM and the PCM
 
O/D "Off" lam circuit is shorted to system power between the TCM and the PCM
 

Trouble Code: P1780

Transmission Control Spark Advance Circuit Malfunction

Trouble Code Conditions: Engine running and the PCM detected an unexpected circuit condition on the Transmission Controlled Spark Advance circuit.

Possible Causes:



Spark advance circuit is open between the TCM and the PCM
 
Spark advance circuit shorted to ground between the TCM and the PCM
 
TCM or the PCM has failed
 

Trouble Code: P1797

Clutch Pedal Switch Clutch Malfunction

Trouble Code Conditions: Engine running, and the PCM did not detect a change in the Clutch switch signal for 33 seconds after the clutch was engaged and released.

Possible Causes:



Clutch pedal position switch signal circuit is open
 
Clutch pedal position switch signal circuit is shorted to ground
 
Clutch pedal position switch signal circuit is shorted to power
 
Clutch pedal position switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P1800

Engine Torque Circuit Malfunction

Trouble Code Conditions: Engine running, and the PCM detected an unexpected voltage condition on the Engine Torque Signal circuit during the CCM test.

Possible Causes:



Engine torque signal circuit is open between PCM and the TCM
 
Engine torque signal circuit is shorted to ground between the TCM and the PCM
 
Engine torque signal circuit is shorted to system power between the TCM and the PCM
 

 
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