LEGACY / P · B · C · U
Legacy code directory
Preserved from the earlier site: 3,471 records. Labels remain in English and may vary by manufacturer or repeat an identifier. These are not newly verified repair instructions.
Verify manufacturer, model and year. Do not replace a component based only on a generic label.
3,471 · 33 / 35
P1586Throttle Control Unit Throttle Position MalfunctionP1587Throttle Control Unit Modulated Command MalfunctionP1588Throttle Control Unit Detected Loss of Return SpringP1589TCU Unable To Control Desired Throttle AngleP1600Loss of KAM Power; Open CircuitP1601ECM/TCM Serial Communication ErrorP1602Immobilizer/ECM Communication ErrorP1603EEPROM MalfunctionP1604Code Word UnregesteredP1605Keep Alive Memory Test FailureP1606ECM Control Relay O/P Circuit MalfunctionP1607MIL O/P Circuit MalfunctionP1608Internal ECM MalfunctionP1609Diagnostic Lamp Driver FaultP1610SBDS Interactive CodesP1611SBDS Interactive CodesP1612SBDS Interactive CodesP1613SBDS Interactive CodesP1614SBDS Interactive CodesP1615SBDS Interactive CodesP1616SBDS Interactive CodesP1617SBDS Interactive CodesP1618SBDS Interactive CodesP1619SBDS Interactive CodesP1620SBDS Interactive CodesP1621Control Module Long Term Memory Performance/ Immobilizer Code Words Do Not MatchP1622Immobilizer ID Does Not MatchP1623Immobilizer Code Word/ID Number Write FailureP1624Anti Theft SystemP1625B+ Supply To VCRM Fan Circuit MalfunctionP1626Theft Deterrent Fuel Enable Signal Not Received/ B+ Supply To VCRM A/C Circuit MalfunctionP1627Module Supply Voltage Out Of RangeP1628Module Ignition Supply Input MalfunctionP1629Internal Voltage Regulator MalfunctionP1630Internal Vref MalfunctionP1631Theft Deterrent Start Enable Signal Not Correct/ Main Relay Malfunction (Power Hold)P1632Smart Alternator Faults Sensor/Circuit MalfunctionP1633KAM Voltage Too LowP1634Data Output Link Circuit FailureP1635Tire / Axle Ratio Out of Acceptable RangeP1636Inductive Signature Chip Communication ErrorP1637Can Link ECM/ABSCM Circuit / Network MalfunctionP1638Can Link ECM/INSTM Circuit / Network MalfunctionP1639Vehicle ID Block Corrupted or Not ProgrammedP1640Powertrain DTCs Available in Another ModuleP1641Fuel Pump Primary Circuit FailureP1642Fuel Pump Monitor Circuit High InputP1643Fuel Pump Monitor Circuit Low InputP1644Fuel Pump Speed Control Circuit MalfunctionP1645Fuel Pump Resistor Switch Circuit MalfunctionP1650PSP Switch Out of Self Test RangeP1651PSP Switch Input MalfunctionP1652IAC Monitor Disabled by PSP Switch Failed OnP1653Power Steering Output Circuit MalfunctionP1654Recirculation Override Circuit MalfunctionP1655Starter Disable Circuit MalfunctionP1660Output Circuit Check Signal HighP1661Output Circuit Check Signal LowP1662IDM_EN Circuit FailureP1663Fuel Demand Command Signal Circuit MalfunctionP1667CI Circuit MalfunctionP1668PCM – IDM Communications ErrorP1670Electronic Feedback Signal Not DetectedP1680Metering Oil Pump MalfunctionP1681Metering Oil Pump MalfunctionP1682Metering Oil Pump MalfunctionP1683Metering Oil Pump Temperature Sensor Circuit MalfunctionP1684Metering Oil Pump Position Sensor Circuit MalfunctionP1685Metering Oil Pump Stepping Motor Circuit MalfunctionP1686Metering Oil Pump Stepping Motor Circuit MalfunctionP1687Metering Oil Pump Stepping Motor Circuit MalfunctionP1688Metering Oil Pump Stepping Motor Circuit MalfunctionP1689Oil Pressure Control Solenoid Circuit MalfunctionP1690Wastegate Solenoid Circuit MalfunctionP1691Turbo Pressure Control Solenoid Circuit MalfunctionP1692Turbo Control Solenoid Circuit MalfunctionP1693Turbo Charge Control Circuit MalfunctionP1694Turbo Charge Relief Circuit MalfunctionP1700Transmission Indeterminate Failure (Failed to Neutral)P1701Reverse Engagement ErrorP1702TRS Circuit Intermittent MalfunctionP1703Brake Switch Out Of Self Test RangeP1704Digital TRS Failed to Transition States in KOEO / KOERP1705Not in P or N During KOEO / KOERP1706High Vehicle Speed Observed in ParkP1707Transfer Case Neutral Indicator Hard Fault PresentP1708Clutch Switch Circuit MalfunctionP1709PNP Switch Out Of Self Test RangeP1711TFT Sensor Out Of Self Test RangeP1712Trans Torque Reduction Request Signal MalfunctionP1713TFT Sensor In Range Failure Low ValueP1714SSA Inductive Signature MalfunctionP1715SSB Inductive Signature MalfunctionP1716SSC Inductive Signature MalfunctionP1717SSD Inductive Signature MalfunctionP1718TFT Sensor In Range Failure HighP1720Vehicle Speed (Meter) Circuit MalfunctionP1721Gear 1 Incorrect RatioP1722Gear 2 Incorrect RatioP1723Gear 3 incorrect Ratio