GrandCaravan 2008

3.3L V6 VIN H Auto 7

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Trouble Code: P2172



High Airflow/Vacuum Leak Detected (Instantaneous Accumulation)

Possible Causes:



Vacuum leak
 
5v supply circuit has high resistance or is shorted to ground
 
MAP signal circuit has high resistance or is shorted to ground
 
TP Sensor ground circuit has high resistance
 
TP Sensor signal circuit is shorted to ground
 
TP Sensor return circuit has high resistance
 
MAP Sensor has failed
 
TP Sensor has failed
 
PCM has failed
 

Trouble Code: P2173



High Airflow/Vacuum Leak Detected (Slow Accumulation)

Possible Causes:



Vacuum leak
 
5v supply circuit has high resistance or is shorted to ground
 
MAP signal circuit has high resistance or is shorted to ground
 
TP Sensor ground circuit has high resistance
 
TP Sensor signal circuit is shorted to ground
 
TP Sensor return circuit has high resistance
 
MAP Sensor has failed
 
TP Sensor has failed
 
PCM has failed
 

Trouble Code: P2174



Low Airflow/Vacuum Leak Detected (Instantaneous Accumulation)

Possible Causes:



Restricted air inlet system
 
5v supply circuit has high resistance or is shorted to ground
 
MAP signal circuit has high resistance or is shorted to ground
 
TP Sensor ground circuit has high resistance
 
TP Sensor signal circuit is shorted to ground
 
TP Sensor return circuit has high resistance
 
MAP Sensor has failed
 
TP Sensor has failed
 
PCM has failed
 

Trouble Code: P2175



Low Airflow/Vacuum Leak Detected (Slow Accumulation)

Possible Causes:



Restricted air inlet system
 
5v supply circuit has high resistance or is shorted to ground
 
MAP signal circuit has high resistance or is shorted to ground
 
TP Sensor ground circuit has high resistance
 
TP Sensor signal circuit is shorted to ground
 
TP Sensor return circuit has high resistance
 
MAP Sensor has failed
 
TP Sensor has failed
 
PCM has failed
 

Trouble Code: P2181



Cooling System Performance

Possible Causes:



Low coolant level
 
ECT signal circuit is open or shorted to ground, sensor ground, or battery voltage
 
ECT Sensor ground circuit is open
 
Thermostat has failed
 
ECT Sensor has failed
 
PCM has failed
 

Trouble Code: P2271



O2 Sensor 1/2 Signal Biased Lean

Possible Causes:



Exhaust leak
 
O2 sensor wiring or connections
 
O2 sensor signal circuit
 
O2 sensor return circuit
 
O2 Sensor
 
PCM has failed
 

Trouble Code: P2273



O2 Sensor 2/2 Signal Biased Rich

Possible Causes:



Exhaust leak
 
O2 sensor wiring or connections
 
O2 sensor signal circuit
 
O2 sensor return circuit
 
O2 Sensor
 
PCM has failed
 

Trouble Code: P2299



Brake Pedal Position/Accelerator Pedal Position Incompatible

Possible Causes:



Customer pressing accelerator pedal, then pressing brake pedal and holds both down at the same time
 
Stop lamp switch has failed
 
APP Sensor has failed
 

Trouble Code: P2302



Ignition Coil No. 1 Secondary Circuit Insufficient Ionization

Possible Causes:



Intermittent condition
 
Cylinder No. 1 spark plug or wire is damaged or it has failed
 
Ignition Coil No. 1 is damaged or it has failed
 
Ignition coil control circuit is open or shorted to ground
 
ASD relay output circuit problems
 
PCM has failed
 

Trouble Code: P2305



Ignition Coil No. 2 Secondary Circuit Insufficient Ionization

Possible Causes:



Intermittent condition
 
Cylinder No. 2 spark plug or wire is damaged or it has failed
 
Ignition Coil No. 2 is damaged or it has failed
 
Ignition coil control circuit is open or shorted to ground
 
ASD relay output circuit problems
 
PCM has failed
 

Trouble Code: P2308



Ignition Coil No. 3 Secondary Circuit Insufficient Ionization

Possible Causes:



Intermittent condition
 
Cylinder No. 3 spark plug or wire is damaged or it has failed
 
Ignition Coil No. 3 is damaged or it has failed
 
Ignition coil control circuit is open or shorted to ground
 
ASD relay output circuit problems
 
PCM has failed
 

Trouble Code: P2311



Ignition Coil No. 4 Secondary Circuit Insufficient Ionization

Possible Causes:



Intermittent condition
 
Cylinder No. 4 spark plug or wire is damaged or it has failed
 
Ignition Coil No. 4 is damaged or it has failed
 
Ignition coil control circuit is open or shorted to ground
 
ASD relay output circuit problems
 
PCM has failed
 

Trouble Code: P2314



Ignition Coil No. 5 Secondary Circuit Insufficient Ionization

Possible Causes:



Intermittent condition
 
Cylinder No. 5 spark plug or wire is damaged or it has failed
 
Ignition Coil No. 5 is damaged or it has failed
 
Ignition coil control circuit is open or shorted to ground
 
ASD relay output circuit problems
 
PCM has failed
 

Trouble Code: P2317



Ignition Coil No. 6 Secondary Circuit Insufficient Ionization

Possible Causes:



Intermittent condition
 
Cylinder No. 6 spark plug or wire is damaged or it has failed
 
Ignition Coil No. 6 is damaged or it has failed
 
Ignition coil control circuit is open or shorted to ground
 
ASD relay output circuit problems
 
PCM has failed
 

Trouble Code: P2503



Charging System Voltage Low

Possible Causes:



Battery sense circuit has a high resistance condition
 
Generator ground circuit has a high resistance condition
 
Generator field ground circuit is open
 
Generator field control circuit is open or shorted to ground
 
Generator is damaged or it has failed
 

Trouble Code: P2504



Charging System Voltage High

Possible Causes:



Battery positive circuit has a high resistance condition
 
Generator case ground circuit has a high resistance condition
 
Generator field ground circuit is open
 
Generator field control circuit is shorted to ground or shorted to voltage
 
Generator
 
PCM
 

Trouble Code: P2533



Ignition Switch Run/Start Position Circuit

Possible Causes:



Ignition switch output (run-start) circuit open or high resistance
 
Ignition switch output (run-start) circuit is shorted to ground
 
PCM
 

Trouble Code: P2610



PCM Internal Engine Off Timer Performance

Possible Causes:



PCM software
 
PCM power or ground circuit resistance
 
PCM
 

Trouble Code: U0001



CAN C Bus Circuit Malfunction

Possible Causes:



CAN C Bus failure open or shorted
 
PCM has failed
 

Trouble Code: U0101



No TCM Bus Message

Possible Causes:



PCI Bus unable to communicate with (DRBIII) scan tool
 
Fused ignition switch output incorrect (off-run-start)
 
Intermittent condition
 
PCM has failed
 

Trouble Code: U0101



No CAN Bus Message

Possible Causes:



CAN C Bus failure open or shorted
 
PCM has failed
 

Trouble Code: U0121



Lost Communication With ABS Module

Possible Causes:



CAN C Bus failure open or shorted
 
ABS module has failed
 
PCM has failed
 

Trouble Code: U0141



Lost Communication With Front Control Module

Possible Causes:



CAN C Bus failure open or shorted
 
Front control module has failed
 
PCM has failed
 

Trouble Code: U0168



No SKIM Bus Message

Possible Causes:



Intermittent operation
 
PCI Bus circuit open or shorted from PCM to SKIM
 
Loss of communication between PCM and SKIM
 
SKIM or PCM has failed
 

Trouble Code: U110C



No Fuel Level Bus Message

Possible Causes:



PCI Bus circuit open between PCM and TIPM
 
Fuel level Bus message circuit failure
 
BCM has failed
 

Trouble Code: U110E



No Ambient Temperature Message

Possible Causes:



CAN C Bus failure open or shorted
 
Front Control Module (FCM) has failed
 
PCM has failed
 

Trouble Code: U110F



No Fuel Volume Message

Possible Causes:



CAN C Bus failure open or shorted
 
Front Control Module (FCM) has failed
 
PCM has failed
 

Trouble Code: U1110



No Vehicle Speed Message

Possible Causes:



CAN C Bus failure open or shorted
 
Front Control Module (FCM) has failed
 
ABS Module has failed
 
PCM has failed
 

Trouble Code: U1120



No Wheel Distance Message

Possible Causes:



CAN C Bus failure open or shorted
 
Front Control Module (FCM) has failed
 
ABS Module has failed
 
PCM has failed
 

Trouble Code: U1403



Implausible Fuel Level Signal

Possible Causes:



CAN B Bus failure open or shorted
 
Instrument Cluster Module has failed
 
Front Control Module has failed
 
PCM has failed
 

Trouble Code: U1412



Implausible Vehicle Speed Signal

Possible Causes:



CAN C Bus failure open or shorted
 
ABS Module has failed
 
Front Control Module has failed
 
PCM has failed
 

Trouble Code: U1417



Implausible Left Wheel Distance Signal

Possible Causes:



Vehicle speed Sensor fault active in ABS module
 
CAN C Bus failure open or shorted
 
ABS Module has failed
 
Front Control Module has failed
 
PCM has failed
 

Trouble Code: U1418



Implausible Right Wheel Distance Signal

Possible Causes:



Vehicle speed Sensor fault active in ABS module
 
CAN C Bus failure open or shorted
 
ABS Module has failed
 
Front Control Module has failed
 
PCM has failed
 

 
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