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Diagnostic Trouble Code numbers are read by plugging a code reader or scan tool into the vehicle diagnostic connector (usually located under the instrument panel near the steering column) that can read vehicle manufacturer enhanced or P1 c odes (not just generic or P0 codes). The presence of a code will turn on the Check Engine Light. The light will remain on until the code has been erased. The code number does not tell you which part has failed. It only indicates a possible fault has been detected in the circuit, system or sensor described. Further testing is usually required to isolate the fault BEFORE repairs are made.
For vehicle specific diagnostic charts and vehicle specific repair information, refer to a service manual, or get a subscription to the Chrysler Tech Authority website, or AllDataDIY.
The following is a partial listing of common Chrysler specific "P1" enhanced OBD II fault codes provided by Chrysler:
P1400....Manifold Differential Pressure Sensor
P1403....5-Volt VREF to EGR Sensor Missing
P1475....Auxiliary 5 volt supply is too high
P1476....Too Little Secondary Air Injection
P1477....Too Much Secondary Air Injection
P1478....Battery Temperature Sensor Volts Out of Limit
P1479....Transmission Fan Relay circuit
P1480....PCV Solenoid circuit
P1481....Electronic Automatic Transaxle RPM pulse generator fault
P1482....Catalyst Temperature Sensor circuit shorted low
P1483....Catalyst Temperature Sensor circuit shorted high
P1484....Catalytic Converter overheat detected
P1485....Air Injection Solenoid circuit
P1486....EVAP leak monitor pinched hose found
P1487....High speed radiator fan control relay circuit
P1488....5 volt supply voltage low
P1489....High Speed Fan Control Relay
P1490....Low Speed Fan Relay Circuit
P1491....Radiator Fan Relay Circuit
P1492....Battery Temperature Sensor Voltage Too High
P1493....Battery Temperature Sensor Voltage Too Low
P1494....EVAP LDP Pressure Switch Fault
P1495....EVAP LDP Solenoid Circuit
P1496....5-Volt Supply Output Low
P1498....High Speed Radiator Relay Ground Control
P1498....Auxiliary 5-Volt Supply Output Low
P1500....General Alternator "FR" terminal circuit fault
P1594....Charging system voltage too high
P1595....Speed Control Solenoid circuits
P1596....Speed Control Switch always high
P1597....Speed control switch always low
P1598....A/C pressure sensor voltage too high
P1599....A/C pressure sensor voltage too low
P1680....Clutch Released Switch circuit
P1681....No I/P Cluster CCD/J1850 messages received
P1682....Charging system voltage too low
P1683....Speed control power relay or 12v driver circuit
P1684....Battery disconnected during last 50 starts
P1685....Smart Key Immobilizer Module has received an invalid key
P1686....No Smart Key Immobilizer Module bus message received
P1687....No mechanical instrument cluster bus message
P1688....Internal fuel injection pump controller failure
P1689....No cummunication between ECM & injection pump module
P1690....Fuel injection pump crank sensor does not agree with ECM crank sensor
P1691....Fuel injection pump calibration error
P1692....Fault in companion engine control module
P1693....A companion DTC code was set in both ECM and PCM
P1694....No CCD message received from PCM
P1695....No CCD message from body control module
P1696....PCM failure (replace computer)
P1697....PCM failure (replace computer)
P1698....No CCD message from transaxle to computer (check harness)
P1719....Skip Shift Solenoid circuit
P1740....TCC Solenoid or Overdrive Solenoid performance
P1756....Governor pressure not equal to target at 15-20 psi
P1757....Governor presdure is above 3 psi when 0 psi is requested
P1762....Governor Pressure Sensor offset improper voltage
P1763....Governor Pressure Sensor voltage too high
P1764....Governor Pressure Sensor voltage too low
P1765....Transmissin 12 volt supply relay control circuit
P1899....Park/Neutral switch stuck in Park or gear
Click Here for List of Chrysler Codes P1100 to P1399
Click here for engine sensor and PCM related articles.
