Ram Truck 1500, 2500 & 3500 (2006-2008)

3.7L V6 VIN K Auto 8

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Trouble Code: P2101



Electronic Throttle Control Motor Malfunction

Possible Causes:



Throttle body assembly may have failed
 
Low battery voltage
 
PCM has failed
 

Trouble Code: P2107



Electronic Throttle Control Module Processor Malfunction

Possible Causes:



PCM requires reprogramming
 

Trouble Code: P2108



Electronic Throttle Control Module Processor Malfunction

Possible Causes:



PCM requires reprogramming
 

Trouble Code: P2110



Electronic Throttle Control Forced Limited RPM

Possible Causes:



Throttle plate stuck
 
ETC positive circuit is open or is shorted to ground
 
ETC negative circuit is open or is shorted to ground
 
ETC motor has failed
 
PCM has failed
 

Trouble Code: P2111



Electronic Throttle Control Forced Limited RPM

Possible Causes:



Throttle plate stuck above Limp Home position
 
TP Sensors 1 & 2 both read 2.5V
 
ETC positive circuit is open or is shorted to ground or to battery voltage
 
ETC negative circuit is open or is shorted to ground
 
PCM has failed
 

Trouble Code: P2112



Electronic Throttle Control Unable To Open

Possible Causes:



Throttle plate stuck at or below Limp Home position
 
ETC positive circuit is open or is shorted to ground
 
ETC negative circuit is open or is shorted to ground or to battery voltage
 
PCM has failed
 

Trouble Code: P2115



Accelerator Pedal Position Sensor No. 1 Minimum Stop Performance

Possible Causes:



APP Sensors must be reprogrammed to relearn
 

Trouble Code: P2116



Accelerator Pedal Position Sensor No. 2 Minimum Stop Performance

Possible Causes:



APP Sensors must be reprogrammed to relearn
 

Trouble Code: P2118



Electronic Throttle Control Motor Circuit Malfunction

Possible Causes:



Throttle plate or bore malfunctions
 
ETC positive circuit is open or is shorted to ground, battery voltage or ETC negative circuit
 
ETC negative circuit is open or is shorted to ground or to battery voltage
 
ETC motor has malfunctioned
 
PCM has failed
 

Trouble Code: P2122



Accelerator Pedal Position Sensor No. 1 Circuit Low

Possible Causes:



5V supply circuit is open or shorted to ground
 
APP Sensor No. 1 signal circuit is open, shorted to ground or to Sensor return circuit
 
APP Sensor No. 1 has failed
 
PCM has failed
 

Trouble Code: P2123



Accelerator Pedal Position Sensor No. 1 Circuit High

Possible Causes:



APP Sensor No. 1 return circuit is open
 
APP Sensor No. 1 signal circuit is shorted to either 5V supply circuit
 
APP Sensor No. 1 has failed
 
PCM has failed
 

Trouble Code: P2127



Accelerator Pedal Position Sensor No. 2 Circuit Low

Possible Causes:



5V supply circuit is open or shorted to ground
 
APP Sensor No. 2 signal circuit is open, shorted to ground or to Sensor return circuit
 
APP Sensor No. 2has failed
 
PCM has failed
 

Trouble Code: P2128



Accelerator Pedal Position Sensor No. 2 Circuit High

Possible Causes:



APP Sensor No. 2 return circuit is open
 
APP Sensor No. 2 signal circuit is shorted to either 5V supply circuit
 
APP Sensor No. 2 has failed
 
PCM has failed
 

Trouble Code: P2135



Throttle Position Sensors 1 & 2 Correlation

Possible Causes:



TP Sensor No. 1 or 2 signal circuit is shorted to ground or to battery voltage
 
TP Sensor No. 1 or 2 signal circuit has high resistance
 
5V supply circuit has high resistance
 
5V supply circuit shorted to ground
 
TP Sensor ground circuit has high resistance
 
TP Sensor No. 1 signal circuit is shorted to Sensor No. 2 signal circuit
 
TP Sensor has failed
 
PCM has failed
 

Trouble Code: P2138



Accelerator Pedal Position Sensors 1 & 2 Correlation

Possible Causes:



APP Sensor No. 1 or 2 signal circuit has high resistance
 
APP Sensor No. 1 or 2 return circuit has high resistance
 
5V supply circuit has high resistance
 
APP Sensor has failed
 
PCM has failed
 

Trouble Code: P2161



Vehicle Speed Sensor No. 2 Erratic

Possible Causes:



Active Bus or Communications DTCs
 
Incorrect tire circumference
 
PCM has failed
 

Trouble Code: P2166



Accelerator Pedal Position Sensor No. 1 Maximum Stop Performance

Possible Causes:



In-Plant test failure
 
APP Sensors must be reprogrammed to relearn
 

Trouble Code: P2167



Accelerator Pedal Position Sensor No. 2 Maximum Stop Performance

Possible Causes:



In-Plant test failure
 
APP Sensors must be reprogrammed to relearn
 

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: 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: P2320



Ignition Coil No. 7 Secondary Circuit Insufficient Ionization

Possible Causes:



Cylinder No. 7 spark plug or wire is damaged or it has failed
 
Ignition Coil No. 7 is damaged or it has failed
 
Ignition coil control circuit is open or shorted to ground
 
PCM has failed
 

Trouble Code: P2323



Ignition Coil No. 8 Secondary Circuit Insufficient Ionization

Possible Causes:



Cylinder No. 8 spark plug or wire is damaged or it has failed
 
Ignition Coil No. 8 is damaged or it has failed
 
Ignition coil control circuit is open or shorted to ground
 
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: P2700



A/T L/R Inadequate Element Volume Detected

Possible Causes:



L/R volume clutch index is too low
 
TCM L/R volume clutch circuit is damaged or has failed
 

Trouble Code: P2701



A/T 2C Inadequate Element Volume Detected

Possible Causes:



2C volume clutch index is too low
 
TCM 2C volume clutch circuit is damaged or has failed
 

Trouble Code: P2702



A/T O/D Inadequate Element Volume Detected

Possible Causes:



O/D volume clutch index is too low
 
TCM O/D volume clutch circuit is damaged or has failed
 

Trouble Code: P2703



A/T U/D Inadequate Element Volume Detected

Possible Causes:



U/D volume clutch index is too low
 
TCM U/D volume clutch circuit is damaged or has failed
 

Trouble Code: P2704



A/T 4C Inadequate Element Volume Detected

Possible Causes:



4C volume clutch index is too low
 
TCM 4C volume clutch circuit is damaged or has failed
 

Trouble Code: P2706



A/T MS Solenoid Circuit Malfunction

Possible Causes:



Check for a loose connector to the MS solenoid (intermittent)
 
MS solenoid control circuit is open or shorted to ground
 
MS solenoid control circuit is shorted to system power (B+)
 
MS solenoid is damaged or it has failed
 
Transmission control relay output supply circuit is open
 
TCM MS solenoid circuit is damaged or it has failed
 

Trouble Code: U0001



CAN C Bus Circuit Malfunction

Possible Causes:



CAN C Bus failure open or shorted
 
PCM has failed
 

 
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