3.2L V6 - Std
Trouble Code: P1169
Fuel System Rich During Decel Fuel Cutoff (Bank 2)
Trouble Code Conditions: No related codes set, ECT sensor signal more than 140ºF, engine running in closed loop, Power Enrichment mode "on" for 3 seconds, and the PCM detected the Bank 2 HO2S-21 signal remained above 600 mv in a Decel Fuel Cutoff period during the Fuel System Test.
Possible Causes:
Trouble Code: P1220
Throttle Position Sensor 2 Circuit Malfunction
Trouble Code Conditions: Key on or engine running, and the PCM detected the TP Sensor 2 (TP2) circuit was less than 2.5% or over 97.5% of VREF (5v), condition met for 18 counts within 500 test samples over 15.6 ms.
Possible Causes:
Trouble Code: P1221
Throttle Position Sensor 1-2 Circuit Performance
Trouble Code Conditions: Key on or engine running, and the PCM detected the TP Sensor 2 (TP2) signal did not correlate with the TP Sensor 1 (TP1) signal.
Possible Causes:
Trouble Code: P1271
Throttle Position Sensor 1-2 Correlation Error
Trouble Code Conditions: Key on or engine running, and the PCM detected the difference in the angle of the accelerator pedal for ASP1 and ASP2 was less than 4.5% for 50 counts within 50 test samples over a 15.6 time period.
Possible Causes:
Trouble Code: P1272
Acceleration Position Sensor 2-3 Correlation Error
Trouble Code Conditions: Key on or engine running, and the PCM detected the difference in the angle of the accelerator pedal for ASP2 and ASP3 was less than 4.5% for 50 counts within 50 test samples over a 15.6 time period.
Possible Causes:
Trouble Code: P1273
Acceleration Position Sensor 1-3 Correlation Error
Trouble Code Conditions: Key on or engine running, and the PCM detected the difference in the angle of the accelerator pedal for ASP1 and ASP3 was less than 4.5% for 50 counts within 50 test samples over a 15.6 time period.
Possible Causes:
Trouble Code: P1275
Acceleration Position Sensor 1 Circuit Malfunction
Trouble Code Conditions: Key on or engine running, and the PCM detected the Acceleration Position Sensor 1 (APS1) circuit was less than 2.5% or over 97.5% of VREF (5v) for 12 counts within 500 test samples over 15.6 ms.
Possible Causes:
Trouble Code: P1280
Acceleration Position Sensor 2 Circuit Malfunction
Trouble Code Conditions: Key on or engine running, and the PCM detected the Acceleration Position Sensor 2 (APS2) circuit was less than 2.5% or over 97.5% of VREF (5v) for 12 counts within 500 test samples over 15.6 ms.
Possible Causes:
Trouble Code: P1285
Acceleration Position Sensor 3 Circuit Malfunction
Trouble Code Conditions: Key on or engine running, and the PCM detected the Acceleration Position Sensor 3 (APS3) circuit was less than 2.5% or over 97.5% of VREF (5v) for 12 counts within 500 test samples over 15.6 ms.
Possible Causes:
Trouble Code: P1290
Electronic Throttle Control Forced Idle Mode
Trouble Code Conditions: Key on or engine running, and the PCM detected the Electronic Throttle Control (ETC) system had entered Forced Idle Mode.
Possible Causes:
Trouble Code: P1295
Electronic Throttle Control Power Management Mode
Trouble Code Conditions: Key on or engine running, and the PCM detected the Electronic Throttle Control (ETC) system had entered Power Management Mode and is operating under "failsafe" mode conditions.
Possible Causes:
Trouble Code: P1299
Electronic Throttle Control Forced Engine Shutdown Mode
Trouble Code Conditions: Key on or engine running, and the PCM detected the Electronic Throttle Control (ETC) system had entered Forced Engine Shutdown Mode and is operating under "failsafe" mode conditions.
Possible Causes:
Trouble Code: P1310
ION Sensing Module Diagnosis
Trouble Code Conditions: No CKP or System Voltage codes set, engine started, engine speed from 650-6500 rpm, system voltage from 10-16v, MAF sensor signal from 26-100 g/sec, fuel level indicating more than 10%, and the PCM detected "missing" Combustion Quality (CQ) pulses, multiple CQ pulses or CQ pulsewidth calculation errors in the CQ quality test.
Possible Causes:
Trouble Code: P1311
ION Sensing Module Secondary Line 1 Circuit Malfunction
Trouble Code Conditions: Engine started, engine speed from 650-6500 rpm, system voltage from 10-16v, MAF sensor signal from 26-100 g/sec, fuel level indicating more than 10%, and the PCM detected an unexpected voltage condition on the Secondary Line 1 circuit to the ION Module.
Possible Causes:
Trouble Code: P1312
ION Sensing Module Secondary Line 2 Circuit Malfunction
Trouble Code Conditions: Engine started, engine speed from 650-6500 rpm, system voltage from 10-16v, MAF sensor signal from 26-100 g/sec, fuel level indicating more than 10%, and the PCM detected an unexpected voltage condition on the Secondary Line 2 circuit to the ION Module.
Possible Causes:
Trouble Code: P1326
ION Sensing Module Combustion Quality
Trouble Code Conditions: No CKP or CMP Sensor codes set, engine started, system voltage from 10-16v, and the PCM detected an unexpected voltage condition on the Combustion Quality (CQ) line circuit, faults in the ION Module or one or more faults in the analog input signals to the PCM.
Possible Causes:
Trouble Code: P1340
ION Sensing Module Cylinder ID Malfunction
Trouble Code Conditions: No ECT, Fuel Trim, Injector, Misfire or System Voltage codes set, engine started, system voltage from 10-16v, and the PCM detected that the "cylinder synchronization" routine had not been completed after a predetermined number of events occurred after startup.
Possible Causes:
Trouble Code: P1391
Acceleration 'G' Sensor Range/Performance
Trouble Code Conditions: Engine started, engine running, vehicle speed indicating (0) mph, and the PCM detected the G-Sensor signal was more than 2.5v, or it was less than 1.5v for 1 minute, or with vehicle speed at 30-80 mph, the G-Sensor signal indicated a change of 0.0002v each 10 ms. Note: For additional help with this code, view the Failure Records.
Possible Causes:
Trouble Code: P1392
Acceleration 'G' Sensor Circuit Low Input
Trouble Code Conditions: Engine started, engine running, and the PCM detected the 'G' Sensor signal indicated less than 0.5v for 12.5 seconds over a 25 second period of time during the CCM test.
Possible Causes:
Trouble Code: P1393
Acceleration 'G' Sensor Circuit High Input
Trouble Code Conditions: Engine started, engine running, and the PCM detected the 'G' Sensor signal indicated more than 4.5v for 12.5 seconds over a 25 second period of time during the CCM test.
Possible Causes:
Trouble Code: P1394
Acceleration 'G' Sensor Intermittent High Input
Trouble Code Conditions: Engine started, engine running, and the PCM detected the 'G' Sensor signal indicated an intermittent high signal (4.8v) for 12.5 seconds over a 25 second time period. This sensor is used to sense vertical acceleration due to road vibration during Misfire diagnostics.
Possible Causes:
Trouble Code: P1404
EGR Valve Stuck Closed Malfunction
Trouble Code Conditions: Engine started, engine running, system voltage from 11-16v, ECT sensor from 176-248, IAT sensor less than 212ºF, Desired EGR valve position is 0%, and the PCM detected the difference between the Actual and Desired EGR pintle position was over 30% for 5 seconds, test must fail three times in one trip to set this code.
Possible Causes:
Trouble Code: P1406
EGR Valve Pintle Position Sensor Circuit Malfunction
Trouble Code Conditions: Engine started, system voltage over 12v, engine running with the EGR valve commanded to 0%, and the PCM detected the Actual EGR position was 0.20v more or less than the EGR closed valve position for 5 seconds; or with the EGR valve commanded to more than 0%, the PCM detected the Actual EGR position was more than 15% greater than, or 15% less than the Desired EGR position for 5 seconds; or the PCM detected the Actual EGR position was less than 0.10v for over 5 seconds at any time during the CCM test.
Possible Causes:
Trouble Code: P1441
EVAP Vacuum Switch Circuit High Input
Trouble Code Conditions: No IAT, MAP or TP sensor codes set, system voltage at 11-16v, ECT and IAT sensor signals more than 41ºF, startup ECT sensor signal less than 122ºF, key on (prior to engine cranking), and the PCM detected the EVAP Purge Switch indicated 12v (open circuit) at least 4 out of the last 8 times the ignition switch was turned "on".
Possible Causes:
Trouble Code: P1508
Idle Air Control System Low RPM
Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed was more than 100 rpm below the Target idle speed during the CCM test.
Possible Causes:
Trouble Code: P1509
Idle Air Control System High RPM
Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed was more than 100 rpm above the Target idle speed during the CCM test.
Possible Causes:
Trouble Code: P1618
Serial Peripheral Interface Communication
Trouble Code Conditions: Key on for 2 seconds, system voltage over 9v, and the PCM detected an internal program fault (the check sum of the data communications error) for 3 out of 6 seconds with no TCM resets during the test period of 2 seconds. Note: For additional help with this code, view the Failure Records.
Possible Causes:
Trouble Code: P1635
5-Volt Reference Voltage 'A' Circuit Malfunction
Trouble Code Conditions: Engine started, engine running, system voltage more than 6.3v, and the PCM detected the 5v VREF 'A' was less than 4.88v or more than 5.12v for 5 seconds within a 10 second sample during the CCM test.
Possible Causes:
Trouble Code: P1639
5-Volt Reference Voltage 'B' Circuit Malfunction
Trouble Code Conditions: Engine started, engine running, system voltage more than 6.3v, and the PCM detected the 5v VREF 'B' was less than 4.88v or more than 5.12v for 5 seconds within a 10 second sample during the CCM test.
Possible Causes:
Trouble Code: P1640
Output Driver Module Circuit Malfunction
Trouble Code Conditions: DTC P1618 not set, engine started, engine running, system voltage over 13.2v for 4 seconds, and the PCM detected a "high" voltage condition on the Output Driver Module (ODM) circuit with the device "on", or a "low" voltage condition on the ODM circuit with the device "off", condition met for 1 second during the CCM Rationality test. Note: For additional help with this code, view the Failure Records.
Possible Causes:
Trouble Code: P1650
Output Driver Module Circuit Malfunction
Trouble Code Conditions: DTC P1618 not set, engine started, engine running, system voltage over 13.2v for 4 seconds, and the PCM detected the voltage on the Output Driver Module (ODM) circuit did not indicate less than 1.0 volt with the device commanded "on" for 0.5 seconds in the CCM test. Note: For additional help with this code, view the Failure Records.
Possible Causes:
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