- P1594Automatic Transmission Diagnosis Input Signal Circuit MalfunctionFull content
- P1595Automatic Transmission Diagnosis Input Signal Circuit Low InputFull content
- P1596Automatic Transmission Diagnosis Input Signal Circuit High InputFull content
- P1597Speed Control Switch Always LowFull content
- P1598A/C Pressure Sensor Voltage Too HighFull content
- P1599Engine Stall Or Near Stall Detected / A/C Pressure Sensor Voltage Too LowFull content
- P1600Loss of KAM Power; Open CircuitFull content
- P1601ECM/TCM Serial Communication ErrorFull content
- P1602Immobilizer/ECM Communication ErrorFull content
- P1603Throttle Control Unit Detected Loss of Return SpringFull content
- P1604TCU Unable To Control Desired Throttle AngleFull content
- P1605Keep Alive Memory Test FailureFull content
- P1606ECM Control Relay O/P Circuit MalfunctionFull content
- P1607MIL O/P Circuit MalfunctionFull content
- P1608Internal ECM MalfunctionFull content
- P1609Diagnostic Lamp Driver FaultFull content
- P1610SBDS Interactive CodesFull content
- P1611SBDS Interactive CodesFull content
- P1612SBDS Interactive CodesFull content
- P1613SBDS Interactive CodesFull content
- P1614SBDS Interactive CodesFull content
- P1615SBDS Interactive CodesFull content
- P1616SBDS Interactive CodesFull content
- P1617SBDS Interactive CodesFull content
- P1618SBDS Interactive CodesFull content
- P1619SBDS Interactive CodesFull content
- P1620SBDS Interactive CodesFull content
- P1621Control Module Long Term Memory Performance/ Immobilizer Code Words Do Not MatchFull content
- P1622Immobilizer ID Does Not MatchFull content
- P1623Immobilizer Code Word/ID Number Write FailureFull content
- P1624Anti Theft SystemFull content
- P1625B+ Supply To VCRM Fan Circuit MalfunctionFull content
- P1626Theft Deterrent Fuel Enable Signal Not Received/ B+ Supply To VCRM A/C Circuit MalfunctionFull content
- P1627Module Supply Voltage Out Of RangeFull content
- P1628Module Ignition Supply Input MalfunctionFull content
- P1629Internal Voltage Regulator MalfunctionFull content
- P1630Internal Vref MalfunctionFull content
- P1631Theft Deterrent Fuel Enable Signal Not Received/ B+ Supply To VCRM A/C Circuit MalfunctionFull content
- P1632Smart Alternator Faults Sensor/Circuit MalfunctionFull content
- P1633KAM Voltage Too LowFull content
- P1634Data Output Link Circuit FailureFull content
- P1635Tire / Axle Ratio Out of Acceptable RangeFull content
- P1636Theft Deterrent Start Enable Signal Not Correct/ Main Relay Malfunction (Power Hold)Full content
- P1637Can Link ECM/ABSCM Circuit / Network MalfunctionFull content
- P1638Can Link ECM/INSTM Circuit / Network MalfunctionFull content
- P1639Vehicle ID Block Corrupted or Not ProgrammedFull content
- P1640Powertrain DTCs Available in Another ModuleFull content
- P1641Inductive Signature Chip Communication ErrorFull content
- P1642Can Link ECM/ABSCM Circuit / Network MalfunctionFull content
- P1643Fuel Pump Monitor Circuit Low InputFull content
- P1644Vehicle ID Block Corrupted or Not ProgrammedFull content
- P1645Fuel Pump Resistor Switch Circuit MalfunctionFull content
- P1646Check DTC Memory Of All Wheel Drive ECUFull content
- P1647Check Coding Of ECUs In Data Bus PowertrainFull content
- P1648Data Bus Powertrain MalfunctionFull content
- P1649Data Bus Powertrain Missing Message From Brake ControllerFull content
- P1650PSP Switch Out of Self Test RangeFull content
- P1651PSP Switch Input MalfunctionFull content
- P1652IAC Monitor Disabled by PSP Switch Failed OnFull content
- P1653Fuel Pump Speed Control Circuit MalfunctionFull content
Other systems
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.