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

5.9L L6 VIN 6 Std 5

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Trouble Code: P0505



Idle Air Control Motor Circuit

Possible Causes:



Stepper motor Coil No. 1, 2, 3 or 4 circuit open or shorted to ground
 
Stepper motor coil circuit(s) shorted to system power (B+)
 
Stepper motor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0506



Idle Speed Low Performance

Possible Causes:



Air induction system restrictions (clogged air filter, etc.)
 
Idle air control passage is clogged or dirty (clean and retest)
 
Throttle body or linkage is binding, damaged or sticking
 

Trouble Code: P0507



Idle Speed High Performance

Possible Causes:



Idle air control passage is clogged or dirty (clean and retest)
 
Throttle body or linkage is binding, damaged or sticking
 
Vacuum leaks in the engine or PCV system components
 
Intermittent condition
 
PCM has failed
 

Trouble Code: P0508



Idle Air Control Motor Sense Circuit Low Input

Possible Causes:



IAC motor driver circuit is open or shorted to ground
 
IAC motor sense circuit is open or shorted to ground
 
IAC motor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0509



Idle Air Control Motor Circuit High

Possible Causes:



IAC motor driver circuit is shorted to power
 
IAC motor sense circuit is shorted to power
 
IAC motor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0513



Invalid SKIM Key Detected

Possible Causes:



Incorrect VIN in the PCM
 
No communication between the PCM and the SKIM
 
SKIM trouble codes present (check for any SKIM codes)
 
Valid SKIM key not present
 
VIN not programmed into the PCM
 
PCM has failed
 

Trouble Code: P0516



Battery Temperature Sensor Circuit Low Input

Possible Causes:



BTS signal circuit is shorted to Sensor or chassis ground
 
BTS assembly is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0517



Battery Temperature Sensor Circuit High Input

Possible Causes:



BTS signal circuit is shorted to VREF (5v)
 
BTS signal circuit is open or the BTS ground circuit is open
 
BTS assembly is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0519



Idle Air Performance

Possible Causes:



Idle air control passage is clogged or dirty (clean and retest)
 
Throttle body or linkage is binding, damaged or sticking
 
Vacuum leaks in the engine or PCV system components
 

Trouble Code: P0520



Engine Oil Pressure Sensor Out of Range

Possible Causes:



Oil pressure Sensor signal circuit is open or shorted to ground
 
Oil pressure Sensor signal circuit has high resistance
 
5v supply circuit has high resistance
 
5v supply circuit is shorted to ground
 
Oil pressure Sensor ground circuit has high resistance
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0521



Engine Oil Pressure Sensor Does Not Reach Range

Possible Causes:



Engine oil or engine mechanical fault
 
Oil pressure Sensor signal circuit is shorted to battery
 
Oil pressure Sensor signal circuit has high resistance
 
5v supply circuit has high resistance
 
5v supply circuit is shorted to ground
 
Oil pressure Sensor return circuit has high resistance
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0522



Engine Oil Pressure Sensor Circuit Low Input

Possible Causes:



Check for multiple trouble codes set related to this circuit
 
Oil pressure Sensor signal circuit is open or shorted to ground
 
Oil pressure Sensor VREF circuit is open
 
Oil pressure Sensor is damaged or has failed
 
PCM has failed
 

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: P0524



Engine Oil Pressure Low

Possible Causes:



Engine oil system or engine mechanical faults
 
Oil pressure Sensor signal circuit is shorted to battery voltage or to ground
 
Oil pressure Sensor signal circuit has high resistance
 
5v supply circuit has high resistance
 
5v supply circuit is shorted to ground
 
Oil pressure Sensor return circuit has high resistance
 
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: 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: P0571



Brake Switch No. 1 No Output Signal

Possible Causes:



BS 1 signal open or shorted to ground
 
BS 2 signal open or shorted to ground
 
Ground circuit is open
 
Fused ignition switch output is open
 
Stop lamp switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0572



Brake Switch No. 1 Signal Circuit Failure

Possible Causes:



Brake switch signal circuit to open or shorted to ground
 
Brake switch power circuit is open
 
Brake switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0573



Brake Switch Signal No. 2 Circuit Malfunction

Possible Causes:



Brake switch signal to the PCM is missing (circuit problem)
 
CCD Bus circuit is open or shorted to ground
 
CCD Bus circuit is shorted to system power
 
Generator field control circuit shorted to battery voltage
 
PCM has failed
 

Trouble Code: P0575



Cruise Control Switch Signal Low Input

Possible Causes:



C/C switch signal shorted to ground between switch and PCM
 
C/C clockspring is shorted to ground
 
C/C switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0576



Cruise Control Switch Signal High Input

Possible Causes:



C/C switch circuit is open or shorted to VREF or system power
 
C/C switch or clockspring ground circuit is open
 
C/C switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0577



Cruise Control Switch Signal High Input

Possible Causes:



C/C switch circuit is open or shorted to VREF or system power
 
C/C switch or clockspring ground circuit is open
 
C/C switch is damaged or 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: P0591



Speed Control Switch No. 2 Malfunction

Possible Causes:



S/C switch No. 2 signal circuit is open or is shorted to ground or to battery voltage
 
S/C return circuit is open
 
S/C switch No. 2 signal circuit is shorted to switch return circuit
 
S/C switch No. 2 has failed
 
Clockspring has failed
 
PCM has failed
 

Trouble Code: P0592



Speed Control Switch No. 2 Circuit Low

Possible Causes:



S/C switch No. 2 signal circuit is shorted to ground or to switch return circuit
 
S/C switch No. 2 has failed
 
Clockspring has failed
 
PCM has failed
 

Trouble Code: P0593



Speed Control Switch No. 2 Circuit High

Possible Causes:



S/C switch No. 2 signal circuit shorted to voltage or open between PCM and clockspring
 
S/C switch No. 2 signal circuit is open between the clockspring and S/C switch
 
S/C switch return circuit is open between PCM and clockspring or S/C switch
 
S/C switch No. 2 or clockspring 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: P0602



PCM Fueling Calibration

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: P0606



Engine Control Module Processor Malfunction

Possible Causes:



PCM has failed
 

 
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