| DTC |
Description |
Possible causes |
Action |
| P009700 |
Intake Air Temperature Sensor 2 Circuit Low (Bank 1) |
- Air charge temperature (ACT) sensor circuit high resistance
- ACT sensor circuit short circuit to ground
- ACT sensor failure
|
Refer to the electrical guides. and check the ACT sensor and
circuits. |
| P009800 |
Intake Air Temperature Sensor 2 Circuit High (Bank 1) |
- Air charge temperature (ACT) sensor circuit short circuit to power
- ACT sensor failure
|
Refer to the electrical guides. and check the ACT sensor and
circuits. |
| P009900 |
Intake Air Temperature Sensor 2 Circuit Intermittent/Erratic
(Bank 1) |
- Air charge temperature (ACT) sensor circuit high resistance
- ACT sensor circuit short circuit to ground
- ACT sensor circuit short circuit to power
- ACT sensor failure
|
Refer to the electrical guides. and check the ACT sensor and
circuits. |
| P010000 |
Mass or Volume Air Flow A Circuit |
- Mass air flow (MAF) sensor circuit high resistance
- MAF sensor circuit short circuit to ground
- MAF sensor circuit short circuit to power
- MAF sensor failure
|
Refer to the electrical guides and check the MAF sensor and
circuits. Clear the DTCs and test for normal operation. If the problem
persists, renew the MAF sensor. |
| P010400 |
Mass or Volume Air Flow A Circuit Intermittent/Erratic |
- Air leakage
- Mass air flow (MAF) sensor circuit high resistance
- MAF sensor circuit short circuit to ground
- MAF sensor circuit short circuit to power
- MAF sensor failure
|
Refer to the electrical guides and check the MAF sensor and
circuits. Clear the DTCs and test for normal operation. If the problem
persists, renew the MAF sensor. |
| P010600 |
Manifold Absolute Pressure/BARO Sensor Range/Performance |
- Intake manifold air leak (loose or missing component)
- MAP sensor circuit(s) fault
- MAP sensor failure
|
Check the intake manifold for security, etc. Refer to the
guided diagnostic routine for this code on the approved diagnostic system.
|
| P010700 |
Manifold Absolute Pressure/BARO Sensor Low |
- Manifold absolute pressure (MAP) sensor circuit high resistance
- MAP sensor circuit short circuit to ground
- MAP sensor failure
|
Check the MAP sensor and circuits. Refer to the electrical
guides. Refer to the warranty policy and procedures manual if a module is
suspect. |
| P010800 |
Manifold Absolute Pressure/BARO Sensor High |
- Manifold absolute pressure (MAP) sensor circuit short circuit to
power
- MAP sensor failure
|
Check the MAP sensor and circuits. Refer to the electrical
guides. Refer to the warranty policy and procedures manual if a module is
suspect. |
| P010900 |
Manifold Absolute Pressure/BARO Sensor Intermittent |
- Manifold absolute pressure (MAP) sensor circuit high resistance
- MAP sensor circuit short circuit to ground
- MAP sensor circuit short circuit to power
- MAP sensor failure
|
Check the MAP sensor and circuits. Refer to the electrical
guides. Refer to the warranty policy and procedures manual if a module is
suspect. |
| P010A00 |
Mass or Volume Air Flow B Circuit |
- Mass air flow (MAF) sensor circuit high resistance
- MAF sensor circuit short circuit to ground
- MAF sensor circuit short circuit to power
- MAF sensor failure
|
Check the MAF sensor and circuits. Refer to the electrical
guides. Refer to the warranty policy and procedures manual if a module is
suspect. |
| P010E00 |
Mass or Volume Air Flow B Circuit Intermittent/Erratic |
- Air leakage
- Mass air flow (MAF) sensor circuit high resistance
- MAF sensor circuit short circuit to ground
- MAF sensor circuit short circuit to power
- MAF sensor failure
|
Refer to the relevant workshop manual section. Check the MAF
sensor and circuits. Refer to the electrical guides. Refer to the warranty
policy and procedures manual if a module is suspect. |
| P010F00 |
Mass or Volume Air Flow Sensor A/B Correlation |
- Air leakage (post turbocharger)
- Mass air flow (MAF) sensor circuit high resistance
- MAF sensor circuit short circuit to ground
- MAF sensor circuit short circuit to power
- MAF sensor failure
- VGT actuator circuit high resistance
- VGT actuator circuit short circuit to ground
- VGT actuator circuit short circuit to power
- VGT actuator failure
|
Refer to the relevant workshop manual section. Check the MAF
sensor and circuits. Refer to the electrical guides. For VGT actuator
circuit tests, refer to the relevant workshop manual section. Refer to the
warranty policy and procedures manual if a module is suspect. |
| P011200 |
Intake Air Temperature Sensor 1 Circuit Low (Bank 1) |
- Intake air temperature (IAT) sensor circuit high resistance
- IAT sensor circuit short circuit to ground
- IAT sensor failure
|
Check the IAT sensor and circuits. Refer to the electrical
guides. Measure the resistance of the IAT sensor (pins 2 and 3 of the MAF
sensor). Nominal resistance at 20°C (68°F) should be 2.5 Kohms. If the
values are outside this range, install a new MAF sensor. Refer to the
relevant section of the workshop manual. Clear the DTCs and test for
normal operation. |
| P011300 |
Intake Air Temperature Sensor 1 Circuit High (Bank 1) |
- Intake air temperature (IAT) sensor circuit short circuit to power
- IAT sensor failure
|
Check the IAT sensor and circuits. Refer to the electrical
guides. Measure the resistance of the IAT sensor (pins 2 and 3 of the MAF
sensor). Nominal resistance at 20°C (68°F) should be 2.5 Kohms. If the
values are outside this range, install a new MAF sensor. Refer to the
relevant section of the workshop manual. Clear the DTCs and test for
normal operation. |
| P011400 |
Intake Air Temperature Sensor 1 Intermittent/Erratic (Bank
1) |
- Intake air temperature (IAT) sensor circuit high resistance
- IAT sensor circuit short circuit to ground
- IAT sensor circuit short circuit to power
- IAT sensor failure
|
Check the IAT sensor and circuits. Refer to the electrical
guides. Measure the resistance of the IAT sensor (pins 2 and 3 of the MAF
sensor). Nominal resistance at 20°C (68°F) should be 2.5 Kohms. If the
values are outside this range, install a new MAF sensor. Refer to the
relevant section of the workshop manual. Clear the DTCs and test for
normal operation. |
| P023400 |
Turbocharger/Supercharger A Overboost Condition |
- Air leakage
- Manifold absolute pressure (MAP) sensor circuit high resistance
- MAP sensor circuit short circuit to ground
- MAP sensor circuit short circuit to power
- MAP sensor failure
- Exhaust gas recirculation (EGR) fault
- VGT actuator fault
|
Refer to the relevant workshop manual section. Check the MAP
sensor and circuits. Refer to the electrical guides. For EGR valve tests,
refer to the relevant workshop manual section. Check for DTCs indicating
EGR or VGT actuator faults. Refer to the warranty policy and procedures
manual if a module is suspect. |
| P029900 |
Turbocharger/Supercharger A Underboost Condition |
- Air leakage, post turbocharger
- Manifold absolute pressure (MAP) sensor circuit high resistance
- MAP sensor circuit short circuit to ground
- MAP sensor circuit short circuit to power
- MAP sensor failure
- Exhaust gas recirculation (EGR) fault
- VGT actuator fault
|
Check for a post turbocharger air leak, for additional
information, refer to the relevant workshop manual section. Check the MAP
sensor and circuits. Refer to the electrical guides. For EGR valve tests,
refer to the relevant workshop manual section. Check for DTCs indicating
EGR or VGT actuator faults. Refer to the warranty policy and procedures
manual if a module is suspect. |
| P200800 |
Intake Manifold Runner Control Circuit / Open (Bank 1) |
- Port de-activation solenoid circuit high resistance
- Port de-activation solenoid circuit short circuit to ground
- Port de-activation solenoid failure
|
Check the port deactivation valve and circuits. Refer to the
electrical guides. If no fault is found in the circuits, install a new
valve. Clear the DTCs and test for normal operation. |
| P200900 |
Intake Manifold Runner Control Circuit Low (Bank 1) |
- Port de-activation solenoid circuit high resistance
- Port de-activation solenoid circuit short circuit to ground
- Port de-activation solenoid failure
|
Check the port deactivation valve and circuits. Refer to the
electrical guides. If no fault is found in the circuits, install a new
valve. Clear the DTCs and test for normal operation. |
| P201000 |
Intake Manifold Runner Control Circuit High (Bank 1) |
- Port de-activation solenoid circuit short circuit to power
- Port de-activation solenoid failure
|
Check the port deactivation valve and circuits. Refer to the
electrical guides. If no fault is found in the circuits, install a new
valve. Clear the DTCs and test for normal operation. |
| P219900 |
Intake Air Temperature ½ Correlation |
- Intake air temperature (IAT) sensor circuit high resistance, short
circuit to ground, short circuit to power
- Air charge temperature (ACT) sensor circuit high resistance, short
circuit to ground, short circuit to power
- IAT sensor failure
- ACT sensor failure
- ECM failure
|
Check the IAT sensor and circuits. Refer to the electrical
guides. For ACT sensor, refer to the relevant workshop manual section.
Refer to the warranty policy and procedures manual if a module is suspect.
|