OBD II Trouble Code Definitions

OBD2 Diagnostic Trouble Code Tables
  • - Loss of EBTCM Serial Data
  • - Loss of SDM Serial Data
  • - Loss of IPC Serial Data
  • - Loss of HVACC Serial Data
  • - Malfunction In PCM Internal Circuit
  • - Loss of PZM Serial Data
  • P1611
    - Loss of CVRTD Serial Data
  • P1617
    - Engine Oil Level Switch Circuit
  • P1621
    - PCM Memory Performance
  • - Theft Deterrent System - Fuel Enable Circuit
  • - Theft Deterrent - PCM in Learn Mode
  • - Theft Deterrent - Password Incorrect
  • - Theft Deterrent - Fuel Disabled
  • - Ignition Supplement Power Circuit Low Voltage
  • - Ignition 1 Power Circuit Low Voltage
  • - 5 Volt Reference Circuit
  • - 5 Volt Reference 2 Circuit
  • - DTC's Available In Another Module
  • P1641
    - Malfunction Indicator Lamp (MIL) Control Circuit
  • - Vehicle Speed Output Circuit
  • P1644
    - Delivered Torque Output Circuit
  • - EVAP Solenoid Output Circuit
  • - EVAP Vent Valve Output Circuit
  • - Driver 2 - Input High Voltage
  • - Power Steering Pressure Switch Input Malfunction
  • - Lift/Dive Circuit
  • - Cruise Disable Output Circuit
  • - Automatic Transaxle
  • - Cooling Fan Control Circuits
  • - FPTDR Signal Failure
  • P1678
    - FPTDR Signal Line Failure
  • - Clutch Released Switch Circuit
  • - No I/P Cluster CCD/J1850 Messages Received
  • - A/T FI Signal A High Input
  • P1683
    - Speed Control Power Relay or S/C 12V Driver Circuit
  • - Skim Invalid Key
  • P1686
    - A/T FI Signal B Low Input
  • - A/T FI Signal B High Input
  • - Traction Control Delivered Torque Output Circuit
  • - DTC Detected In Companion Mode
  • - Fault In Companion Mode
  • P1695
    - No CCD/J185O Message From BCM
  • - PCM Failure EEPROM Write Denied
  • - PCM Failure SRI Mile Not Stored
  • - No Bus Message From TCM
  • Please go to our P1600-P1699 forum for aditional codes and for questions and answers about your particular trouble code.