Ram 1500, 2500, 3500, 2WD and 4WD, 2001-2005

5.9L L6 VIN 6 Auto 3

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Trouble Code: P0217



Decreased Performance (Engine Overheat)

Possible Causes:



ECT Sensor circuit has high resistance
 
ECT Sensor is damaged or has deteriorated
 
PCM has failed
 

Trouble Code: P0218



A/T High Temperature Operation Activated

Possible Causes:



Engine cooling system malfunction present
 
High temperature operations activated
 
Transmission oil pump flow is too low or it is restricted
 

Trouble Code: P0219



Crankshaft Position Sensor Over-Speed Signal

Possible Causes:



CKP Sensor or its tone wheel is damaged (incorrect engine speed reading)
 
Induction of an alternate fuel source (i.e., ether or propane)
 
Improper operating conditions (i.e., motoring downhill)
 
Turbocharger seals are leaking
 

Trouble Code: P0221



Throttle Position Sensor No. 2 Performance

Possible Causes:



TP Sensor No. 1 or 2 signal circuit is shorted to battery voltage or to ground
 
TP Sensor No. 1 or 2 signal circuit has high resistance
 
5v supply circuit is shorted to ground
 
TP Sensor return circuit has high resistance
 
TP Sensor No. 1 signal circuit shorted to TP Sensor No. 2 signal circuit
 
TP Sensor or throttle body damaged or has failed
 
PCM has failed
 

Trouble Code: P0222



Idle Validation Signals Both Low

Possible Causes:



APP Sensor is damaged
 
IVS No. 1 or IVS No. 2 circuit(s) is shorted to Sensor ground or to chassis ground
 
IVS No. 1 or IVS No. 2 is damaged or has failed
 
Engine Control Module has failed
 

Trouble Code: P0223



Idle Validation Signals Both High

Possible Causes:



APP Sensor is damaged, or the Sensor ground circuit is open
 
IVS No. 1 or IVS No. 2 circuit(s) is open or shorted to system power
 
IVS No. 1 or IVS No. 2 is damaged or has failed
 
Engine Control Module has failed
 

Trouble Code: P0230



Transfer Pump (Lift Pump) Circuit Out-Of-Range

Possible Causes:



Transfer Pump power feed circuit open, or shorted to ground
 
Transfer Pump ground circuit is open
 
Transfer Pump (internal) resistance out of range
 
Engine Control Module has failed
 

Trouble Code: P0232



Fuel Shutoff Signal Voltage To High

Possible Causes:



Transfer Pump may be damaged
 
Engine Control Module has failed
 

Trouble Code: P0234



Turbo Boost Limit Exceeded

Possible Causes:



Wastegate is stuck
 
Wastegate has failed (due to a mechanical failure)
 

Trouble Code: P0236



MAP Sensor Voltage Too High To Long

Possible Causes:



MAP Sensor signal circuit open, shorted to ground or to power
 
MAP Sensor has failed
 
Engine Control Module has failed
 

Trouble Code: P0237



MAP Sensor Voltage Too Low

Possible Causes:



Boost Pressure Test did not pass, or a MAP VREF DTC is present
 
MAP Sensor signal circuit shorted to chassis or Sensor ground
 
MAP Sensor has failed
 

Trouble Code: P0238



MAP Sensor Voltage Too High

Possible Causes:



Boost Pressure Test did not pass, ECT or IAT DTC present
 
MAP Sensor signal circuit open or shorted to vehicle power
 
MAP Sensor has failed
 
Engine Control Module has failed
 

Trouble Code: P0251



Injector Pump Mechanical / Fuel Valve Feedback Circuit Fault

Possible Causes:



Fuel injection pump relay control circuit is open or grounded
 
Fused battery power (B+) circuit or relay output circuit is open
 
Fuel injection pump relay or fuel injection pump is damaged
 

Trouble Code: P0252



Fuel Valve Signal Missing

Possible Causes:



Fuel injection pump relay control circuit is open or grounded
 
Fused battery power (B+) circuit or relay output circuit is open
 
Fuel injection pump relay or fuel injection pump is damaged
 

Trouble Code: P0253



Injector Pump Fuel Valve Current Too Low

Trouble Code: P0254



Injector Pump Fuel Valve Current Too High

Possible Causes:



Fuel injection pump is damaged or it has failed
 

Trouble Code: P0300



Multiple Cylinder Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects two or more cylinders
 
Erratic or interrupted CKP or CMP Sensor signals
 
Fuel delivery component fault that affects two or more cylinders (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) in two or more cylinders
 
Vehicle driven with low fuel pressure or while very low on fuel
 

Trouble Code: P0301



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0302



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0303



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0304



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0305



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0306



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0307



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0308



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0309



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0310



Cylinder 1-10 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or EVAP system
 
Base engine mechanical fault that affects only one cylinder
 
Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector)
 
Ignition system problem (coil or plug) in only one cylinder
 

Trouble Code: P0315



No Crankshaft Position Sensor Learned

Possible Causes:



Crankshaft tone wheel flex plate is damaged
 
Tone wheel/pulse ring may be damaged
 
Erratic CKP Sensor signals (wiring/connector problem)
 
CKP Sensor has failed
 
PCM has failed
 

Trouble Code: P0320



No Crank Reference Signal to PCM

Possible Causes:



CKP Sensor signal circuit is open or grounded
 
CKP Sensor VREF circuit is open or grounded
 
Tone wheel or flex plate damage or erratic CKP Sensor signals
 
CKP Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0325



Knock Sensor No. 1 Circuit

Possible Causes:



Knock Sensor connector is damaged or shorted
 
Knock Sensor signal circuit open or grounded
 
Knock Sensor signal circuit shorted to return circuit
 
Knock Sensor return circuit is open
 
Knock Sensor not tightened properly
 
Knock Sensor damaged or has failed (it may be open internally)
 
PCM has failed
 

Trouble Code: P0330



Knock Sensor No. 2 Circuit

Possible Causes:



Knock Sensor No. 2 signal circuit shorted to battery voltage or to KS 2 return circuit
 
Knock Sensor No. 2 signal circuit or return circuit is open
 
Knock Sensor No. 2 signal circuit is shorted to KS 2 return circuit or to ground
 
Knock Sensor damaged or has failed
 
PCM has failed
 

Trouble Code: P0335



Crankshaft Position Sensor Circuit

Possible Causes:



Intermittent CKP signal
 
CKP Sensor signal circuit is open or it is shorted to ground or voltage
 
CKP Sensor 5v supply circuit is open or shorted to ground or voltage
 
CKP Sensor ground circuit is open
 
CKP Sensor or CMP Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0336



Crankshaft Position Sensor Signal

Possible Causes:



Check the tone or pulse ring for damage or debris collection
 
CKP Sensor signal circuit is open or shorted to ground
 
CKP Sensor VREF circuit is open or shorted to ground
 
CKP Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0339



Crankshaft Position Sensor Circuit Intermittent

Possible Causes:



Check the tone wheel/pulse ring for damage or debris collection
 
CKP Sensor signal circuit is open or shorted to ground
 
CKP Sensor 5v supply circuit is open or shorted to ground
 
CKP Sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0340



No Camshaft Position Sensor Circuit Failure

Possible Causes:



CMP Sensor connector is damaged, open or it is shorted
 
CMP Sensor signal circuit is open or shorted to ground or to battery voltage or 5v supply circuit
 
CMP Sensor 5v supply circuit is open or shorted to ground or to battery voltage
 
CMP Sensor ground circuit is open
 
CMP Sensor is damaged or has failed
 
CKP Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0341



Camshaft Position Sensor Signal

Possible Causes:



CMP Sensor signal circuit is open or shorted to ground
 
CMP Sensor VREF circuit is open or shorted to ground
 
CMP Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0342



CMP Sensor Supply Voltage Too Low

Possible Causes:



CMP Sensor connector is damaged, open or it is shorted
 
CMP Sensor VREF circuit is open
 
CMP Sensor VREF circuit is shorted to ground
 
CMP Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0343



CMP Sensor Supply Voltage Too Low

Possible Causes:



CMP Sensor signal circuit is open (intermittent fault)
 
CMP Sensor signal circuit shorted to ground (intermittent fault)
 
CMP Sensor ground circuit is open (an intermittent fault)
 
PCM has failed
 

Trouble Code: P0344



Camshaft Position Sensor Circuit Intermittent

Possible Causes:



Wiring harness fault
 
5v supply circuit open or shorted to ground
 
Tone wheel/pulse ring is damaged or corroded
 
CMP Sensor has failed
 
CMP Sensor signal circuit is open, shorted to ground or battery voltage or 5v supply
 
CMP Sensor ground circuit is open
 
PCM has failed
 

Trouble Code: P0350



Ignition Coil Current Too High

Possible Causes:



Ignition Coil No. 1, 2 or 3 control circuit (the coil windings) shorted internally
 
Ignition Coil No. 1, 2 or 3 control circuit is shorted to ground
 
PCM has failed
 

 
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