Ram B1500, B2500, B3500, 1999-2003

4.7L V8 VIN N Auto 4

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Trouble Code: P0523



Engine Oil Pressure Sensor Rationality

Possible Causes:



Oil pressure Sensor signal circuit is open
 
Oil pressure Sensor signal circuit is shorted to ground
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0532



Air Conditioning Pressure Sensor Circuit Low Input

Possible Causes:



A/C pressure Sensor 5v power supply (VREF) circuit is open or is shorted to ground
 
A/C pressure Sensor signal circuit is shorted to ground or to Sensor ground circuit
 
A/C pressure Sensor is damaged or it has failed
 
Front A/C control module damaged or has failed
 
PCM has failed
 

Trouble Code: P0533



Air Conditioning Pressure Sensor Circuit High Input

Possible Causes:



A/C pressure Sensor signal circuit is shorted to 5v VREF power
 
A/C pressure Sensor signal circuit or ground circuit is open
 
A/C pressure Sensor is damaged or it has failed
 
Front A/C control module is damaged or has failed
 
PCM has failed
 

Trouble Code: P0545



Air Conditioning Clutch Circuit Failure

Possible Causes:



A/C clutch control circuit is open between the clutch and PCM
 
A/C clutch control circuit is shorted to ground
 
A/C clutch power circuit is open
 
A/C clutch or PCM has failed
 

Trouble Code: P0551



Power Steering Pressure Switch Circuit Failure

Possible Causes:



PSPS sense circuit is shorted to ground
 
PSPS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0562



Battery Sense Circuit Low Input

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
 
PCM has failed
 

Trouble Code: P0563



Battery Sense Circuit High Input

Possible Causes:



Generator field control circuit is shorted to system power (B+)
 
Generator is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0579



Speed Control Switch No. 1 Performance

Possible Causes:



S/C switch signal circuit is shorted to chassis or Sensor ground
 
S/C switch signal circuit is open or shorted to system power
 
S/C switch is damaged or it has failed
 
Sensor ground circuit is open
 
PCM has failed
 

Trouble Code: P0580



Speed Control Switch No. 1 Circuit Low Input

Possible Causes:



Intermittent condition
 
S/C switch signal circuit is shorted to chassis or Sensor ground
 
S/C On/Off switch is damaged or it has failed
 
S/C Resume/Accel switch is damaged or it has failed
 
PCM has failed.
 

Trouble Code: P0581



Speed Control Switch No. 1 Circuit High Input

Possible Causes:



S/C switch No.1 signal circuit is shorted to system power (B+)
 
S/C switch ground circuit is open
 
S/C switch signal circuit is open between PCM and clockspring
 
S/C Sensor ground circuit is open between PCM and clockspring or clockspring and S/C switch
 
Clockspring has failed
 
S/C switch (one or more) is damaged or has failed
 
PCM has failed
 

Trouble Code: P0582



Speed Control Vacuum Solenoid Circuit Malfunction

Possible Causes:



S/C supply circuit is open or is short to ground or to battery voltage
 
S/C vacuum solenoid control circuit is open
 
S/C vacuum solenoid control circuit is shorted to ground
 
S/C vacuum solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0586



Speed Control Vent Solenoid Circuit Malfunction

Possible Causes:



S/C supply circuit is open or is short to ground
 
S/C vent solenoid control circuit is open
 
S/C vent solenoid control circuit is shorted to ground
 
S/C vent solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0594



Speed Control Servo Power Circuit Malfunction

Possible Causes:



S/C solenoid or vent solenoid has failed
 
Brake switch is damaged or it has failed
 
S/C brake switch circuit is open or it is shorted to ground
 
S/C power circuit is open or it is shorted to ground
 
PCM has failed
 

Trouble Code: P0600



PCM Internal Failure, No SPI Communications

Possible Causes:



Turn the key off. Remove the PCM connector(s) and inspect the wiring harness connector pins and PCM pins for damaged, bent or missing pins. If any problems are located, make the repair and then perform the PCM Reset function. If this code resets after the repairs are made, the PCM has failed.
 
PCM needs to be replaced, and then reprogrammed
 

Trouble Code: P0601



PCM Random Access Memory Failure, Self-Test Failed

Possible Causes:



PCM needs to be replaced, and then reprogrammed
 

Trouble Code: P0604



TCM Random Access Memory Failure, Self-Test Failed

Possible Causes:



TCM needs to be replaced, and then reprogrammed
 

Trouble Code: P0605



TCM Random Access Memory Failure, Self-Test Failed

Possible Causes:



TCM needs to be replaced, and then reprogrammed
 

Trouble Code: P0613



TCM Internal Failure

Possible Causes:



Turn the key off. Remove the TCM connector(s) and inspect the wiring harness connector pins and TCM pins for damaged, bent or missing pins. Make repairs as needed. Then perform the TCM Reset function. If the code resets, the PCM has failed.
 

Trouble Code: P0622



Generator Field Control Circuit Malfunction

Possible Causes:



Generator field control circuit is open or is shorted to ground
 
Generator field control circuit is shorted to system power (B+)
 
Generator field ground circuit is open
 
Generator is damaged or PCM has failed
 
PCM has failed
 

Trouble Code: P0627



Fuel Pump Relay Control Circuit Malfunction

Possible Causes:



Fuel pump relay control circuit is open or is shorted to ground
 
Fuel pump relay control circuit is shorted to system power (B+)
 
Fuel pump relay power circuit (fused ignition) circuit is open
 
Fuel pump relay is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0628



Fuel Pump Relay Control Circuit Malfunction

Possible Causes:



Fuel pump relay circuit is open, shorted to ground or to power
 
Fuel pump relay power circuit (fused ignition) circuit is open
 
Fuel pump relay is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0630



VIN Not Programmed Into The PCM

Possible Causes:



Reprogram the correct VIN into the PCM
 
PCM has failed
 

Trouble Code: P0632



Odometer Not Programmed Into The PCM

Possible Causes:



Reprogram the correct mileage into the PCM
 
PCM has failed
 

Trouble Code: P0633



SKIM Key Not Programmed Into The PCM

Possible Causes:



Reprogram the SKIM key into the PCM
 
PCM has failed
 

Trouble Code: P0645



A/C Clutch Relay Circuit Malfunction

Possible Causes:



Internally fused ignition switch output circuit is faulty
 
A/C relay clutch control circuit is open or it is shorted to ground
 
A/C relay clutch power supply (fused ignition) circuit is open
 
A/C relay is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0660



Manifold Tune Valve Solenoid Circuit Malfunction

Possible Causes:



Fused B+ circuit has failed
 
MTV solenoid/relay circuit is open or it is shorted to ground
 
MTV solenoid/relay circuit is shorted to power
 
MTV solenoid/relay ground circuit is open
 
MTV solenoid/relay is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0685



ASD Relay Control Circuit Malfunction

Possible Causes:



Fused B+ circuit faults
 
ASD relay connector is damaged, loose or shorted
 
ASD relay control circuit is open or it is shorted to ground
 
ASD power supply (fused B+) circuit is open
 
ASD relay is damaged, has high resistance, or it has failed
 
PCM has failed
 

Trouble Code: P0688



ASD Relay Sense Circuit Low

Possible Causes:



ASD relay output circuit is open
 
ASD power supply (fused B+) circuit is open
 
ASD relay is damaged or it has failed
 
Problem in fuse/relay center
 
PCM no start condition
 
PCM has failed
 

Trouble Code: P0700



Automatic Transmission Control System Malfunction

Possible Causes:



The presence of this code means the TCM detected a problem
 
TCM related Sensor has solenoid is damaged or has failed
 
This code is for information only - check for other TCM codes
 
TCM or PCM has failed
 

Trouble Code: P0703



A/T Brake Switch Sense Circuit Malfunction

Possible Causes:



Brake switch signal circuit or the switch ground circuit is open
 
Brake switch is damaged, out of adjustment or has failed
 
PCM has failed
 

Trouble Code: P0705



A/T Check Shifter Signal Circuit Malfunction

Possible Causes:



TR1, T3, T41 or T42 sense circuit is open
 
TR1, T3, T41 or T42 sense circuit is shorted to ground
 
TR1, T3, T41 or T42 Sensor circuit is shorted to system power
 
Transmission Range Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0711



A/T Transmission Fluid Temperature Sensor Signal - No Rise After Startup

Possible Causes:



TFT Sensor signal has an intermittent high resistance condition
 
TFT Sensor is damaged, skewed or has drifted out of range
 
PCM has failed
 

Trouble Code: P0712



A/T Transmission Fluid Temperature Sensor Low Input

Possible Causes:



TFT Sensor signal circuit is shorted to ground
 
TFT Sensor is damaged or has failed (it may be shorted)
 
PCM has failed
 

Trouble Code: P0713



A/T Transmission Fluid Temperature Sensor High Input

Possible Causes:



TFT Sensor signal circuit is open between the Sensor and PCM
 
TFT Sensor ground circuit is open between Sensor and PCM
 
TFT Sensor is damaged or has failed (it may be open internally)
 
PCM has failed
 

Trouble Code: P0715



A/T Input Speed Sensor Circuit Malfunction

Possible Causes:



ISS signal (+) circuit is open, shorted to ground or to power
 
ISS signal (-) circuit is open, shorted to ground or to power
 
ISS is damaged or has failed (it may be open internally)
 
Overdrive clutch drum lugs are damaged or missing
 
PCM has failed
 

Trouble Code: P0720



A/T Output Speed Sensor - Low Output Above 15 MPH

Possible Causes:



OSS signal (+) circuit is open, shorted to ground or to power
 
OSS signal (-) circuit is open, shorted to ground or to power
 
OSS is damaged or has failed (it may be open internally)
 
Parking pawl lugs damaged or missing
 
PCM has failed
 

Trouble Code: P0725



A/T Engine Speed Sensor Circuit Malfunction

Possible Causes:



Check for trouble codes related to the CKP Sensor
 
CKP Sensor signal circuit open, shorted to ground or to power
 
CKP Sensor is damaged or has failed (open or shorted)
 
Intermittent wiring or connector problems
 
PCM has failed
 

Trouble Code: P0731



A/T Additional Gear Ratio Error In First Gear

Possible Causes:



U/D and 2/4 pressures less than 105 psi
 
U/D or L/R clutch volume indexes out of specification
 
L/R accumulator seals are damaged or L/R switch valve stuck
 
L/R switch valve stuck in first gear position
 
Transmission has an internal leak (U/D or other seals leaking)
 

Trouble Code: P0732



A/T Additional Gear Ratio Error In Second Gear

Possible Causes:



U/D and L/R pressures less than 95 psi at 2000 rpm
 
U/D or 2/4 clutch volume indexes out of specification
 
L/R accumulator seals are damaged or L/R switch valve stuck
 
Transmission has an internal leak (U/D or 2/4 seals leaking)
 
L/R switch valve stuck in first gear position
 

Trouble Code: P0733



A/T Additional Gear Ratio Error In Third Gear

Possible Causes:



O/D and U/D pressures less than 75 psi
 
O/D or U/D clutch volume indexes out of specification
 
O/D accumulator seals are damaged
 
L/R switch valve stuck in first gear position
 
Transmission has an internal leak (U/D seals leaking)
 

 
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