Ram B1500, B2500, B3500, 1999-2003

5.9L L6 VIN C Auto 2

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Trouble Code: P0147



O2 (B1 S3) Heater Fault

Possible Causes:



ASD relay output (power) circuit to the heater is open
 
O2 heater ground circuit open or O2 signal circuit is open
 
O2 heater element has high resistance
 
O2 heater element has failed (open or shorted)
 
PCM has failed
 

Trouble Code: P0151



O2 (B2 S1) Circuit Short to Ground

Possible Causes:



O2 signal circuit is shorted to chassis or Sensor ground
 
O2 signal circuit is open (circuit reads 450 mV when open)
 
O2 ground circuit is open (circuit reads 170 mV when open)
 
O2 may be contaminated or it has failed
 
PCM has failed
 

Trouble Code: P0152



O2 (B2 S1) Short to Voltage

Possible Causes:



O2 signal tracking in connector due to wet/oily conditions
 
O2 ground circuit is open
 
O2 heater supply circuit is open
 
O2 signal circuit is open
 
O2 element is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0153



O2 (B2 S1) Slow Response

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
O2 signal or ground circuit has a high resistance condition
 
O2 element is fuel contaminated
 
O2 element is deteriorated or it has failed
 

Trouble Code: P0154



O2 (B2 S1) Remains At Center

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
O2 signal or ground circuit has a high resistance condition
 
O2 element is fuel contaminated
 
O2 element is deteriorated or it has failed
 

Trouble Code: P0155



O2 (B2 S1) Heater Circuit

Possible Causes:



ASD relay output (power) circuit to the heater is open
 
O2 heater ground circuit open or O2 signal circuit is open
 
O2 heater element has high resistance
 
O2 heater element has failed (open or shorted)
 
PCM has failed
 

Trouble Code: P0157



O2 (B2 S2) Circuit Shorted to Ground

Possible Causes:



O2 signal circuit is shorted to chassis or Sensor ground
 
O2 may be contaminated or it has failed
 
PCM return or signal circuit is damaged or has failed
 

Trouble Code: P0158



O2 (B2 S2) Circuit Shorted to Ground

Possible Causes:



O2 signal tracking due to wet/oily condition in the connector
 
O2 signal circuit is open or shorted to system power
 
O2 is damaged or is has failed
 
PCM has failed
 

Trouble Code: P0159



O2 (B2 S2) Slow Response

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
O2 element is fuel contaminated
 
O2 element is deteriorated or it has failed
 

Trouble Code: P0161



O2 (B2 S2) Slow Response

Possible Causes:



ASD relay output (power) circuit to the heater is open
 
O2 heater ground circuit is open or O2 signal circuit open
 
O2 heater element has high resistance, is open or shorted
 
PCM has failed
 

Trouble Code: P0165



Starter Relay Circuit

Possible Causes:



Starter Relay control circuit is open
 
Starter Relay Control circuit is grounded
 
PCM has failed
 

Trouble Code: P0168



Decreased Performance (High Injection Pump Fuel Temperature)

Possible Causes:



Fuel Injection pump module has failed
 
Overflow Valve Test failed
 

Trouble Code: P0171



Fuel System Lean (Bank 1)

Possible Causes:



Air leaks in intake manifold, exhaust pipes or exhaust manifold
 
Base engine mechanical problem causing a lean A/F condition
 
Fuel control Sensor is out of calibration (e.g., ECT, IAT or MAP)
 
Fuel delivery component fault (clogged filter, low fuel pressure)
 
O2 element is contaminated, deteriorated or it has failed
 
Vacuum hose is disconnected, broken, leaking or loose
 

Trouble Code: P0172



Fuel System Rich (Bank 1)

Possible Causes:



Base engine fault (i.e., cam timing incorrect, oil level too high)
 
EVAP vapor recovery system failure (e.g., canister full of fuel)
 
Fuel control Sensor is out of calibration (e.g., ECT, IAT or MAP)
 
Fuel delivery component fault (injector leak, high fuel pressure)
 
O2 element is contaminated, deteriorated or it has failed
 
O2 heater is damaged or it has failed
 

Trouble Code: P0174



Fuel System Lean (Bank 2)

Possible Causes:



Air leaks in intake manifold, exhaust pipes or exhaust manifold
 
Base engine mechanical problem causing a lean A/F condition
 
Fuel control Sensor is out of calibration (e.g., ECT, IAT or MAP)
 
Fuel delivery component fault (clogged filter, low fuel pressure)
 
O2 element is contaminated, deteriorated or it has failed
 
Vacuum hose is disconnected, broken, leaking or loose
 

Trouble Code: P0175



Fuel System Rich (Bank 2)

Possible Causes:



Base engine fault (i.e., cam timing incorrect, oil level too high)
 
EVAP vapor recovery system has failed (canister full of fuel)
 
Fuel injector (one or more) leaking or pressure regulator leaking
 
O2 element is deteriorated or has failed
 

Trouble Code: P0177



Water In Fuel Signal Circuit Fault

Possible Causes:



Water In Fuel Sensor has detected water in the fuel supply (drain the water from the fuel filter and then retest for the code)
 
Water In Fuel Sensor signal circuit shorted to Sensor ground
 
Water In Fuel Sensor signal circuit shorted to chassis ground
 
PCM has failed
 

Trouble Code: P0178



Water in Fuel Sensor Low Input

Possible Causes:



Water In Fuel Sensor signal circuit shorted to Sensor ground
 
Water In Fuel Sensor signal circuit shorted to chassis ground
 
Water In Fuel Sensor has failed
 
PCM has failed
 

Trouble Code: P0180



Fuel Injection Pump Temperature Out-Of-Range

Possible Causes:



Fuel injection pump has failed (this code is normally caused by an internal failure of the fuel injection pump)
 
PCM has failed
 

Trouble Code: P0181



Fuel Injection Pump Failure

Possible Causes:



Fuel Temperature Sensor has failed (this Sensor is not serviceable without replacing the VP44 pump controller unit).
 
Engine power is "de-rated" when this trouble code is set
 
PCM has failed
 

Trouble Code: P0201



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0202



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0203



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0204



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0205



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0206



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0207



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0208



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0209



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0210



Injector 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 Control

Possible Causes:



Fuel injector 1-10 control circuit is open or grounded
 
Fuel injector 1-10 power circuit from the ASD relay is open
 
Fuel injector 1-10 has failed
 
PCM injector 1-10 driver has failed
 

Trouble Code: P0215



Fuel Injection Pump Control Circuit

Possible Causes:



Fuel injection pump relay control circuit open, shorted to ground
 
Fuel injection pump relay ground circuit is open
 
Fuel injection pump relay has failed
 
Engine Control Module has failed
 

Trouble Code: P0216



Fuel Injection Pump Timing Failure

Possible Causes:



Fuel injection pump gear not aligned properly
 
Fuel filter plugged or restricted
 
Fuel injection pump is damaged
 
Transfer pump inlet line restricted
 

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: 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)
 

 
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