Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P171C | Transmission surge solenoid valve circuit high | 15 | Powertrain |
| P171E | Shift Fork C Stuck_ Movement On Shift Fork A | 13 | Powertrain |
| P171F | Park Pawl System Stack Malfunction after Learning Mode | 12 | Powertrain |
| P1720 | SMG: CAN bus error | 36 | Powertrain |
| P1721 | Gear 1 incorrect ratio | 27 | Powertrain |
| P1722 | Gearbox output speed 2 implausible signal | 25 | Powertrain |
| P1723 | Starter interlock signal: open circuit | 25 | Powertrain |
| P1724 | Gear 4 incorrect ratio | 22 | Powertrain |
| P1725 | Insufficient engine speed increase during self-test | 27 | Powertrain |
| P1726 | Wheel speed signal 4 range/performance | 27 | Powertrain |
| P1727 | Shift motor electric | 22 | Powertrain |
| P1728 | Shift motor mechanic | 27 | Powertrain |
| P172A | Output speed sensor direction not plausible - forward | 17 | Powertrain |
| P172B | Output speed sensor direction not plausible - reverse | 15 | Powertrain |
| P1730 | Pump relay driver | 33 | Powertrain |
| P1731 | Gear 1, faulty gear ratio | 36 | Powertrain |
| P1732 | Throttle actuator control motor circuit low - positive side | 28 | Powertrain |
| P1733 | Throttle actuator control motor circuit high - positive side | 28 | Powertrain |
| P1734 | Throttle actuator control motor circuit low - negative side | 34 | Powertrain |
| P1735 | First gear switch circuit failure | 32 | Powertrain |
| P1736 | Gear ratio error in 2nd prime | 30 | Powertrain |
| P1737 | Lockup solenoid | 24 | Powertrain |
| P1738 | Shift time error | 25 | Powertrain |
| P1739 | Transmission component slipping | 27 | Powertrain |
| P173A | Gear actuator position sender 1 implausible signal | 15 | Powertrain |
| P173B | Gear actuator position sender 2 implausible signal | 15 | Powertrain |
| P173C | Gear actuator position sender 3 implausible signal | 15 | Powertrain |
| P173D | Gear actuator position sender 4 implausible signal | 14 | Powertrain |
| P173E | Drive Input Switch Performance | 13 | Powertrain |
| P1740 | SMG: Activation, solenoid valve, clutch | 31 | Powertrain |
| P1741 | Engagement potentiometer | 28 | Powertrain |
| P1742 | Clutch torque adaptation at limit | 29 | Powertrain |
| P1743 | Open circuit | 27 | Powertrain |
| P1744 | Torque converter clutch system performance | 29 | Powertrain |
| P1745 | Line pressure control | 33 | Powertrain |
| P1746 | EGS: Control unit, internal fault 4 (FET) | 24 | Powertrain |
| P1747 | EGS: CAN timeout DME | 24 | Powertrain |
| P1750 | EGS: Batt. + supply | 33 | Powertrain |
| P1751 | Shift Solenoid A Perf | 24 | Powertrain |
| P1752 | Power supply malfunction | 26 | Powertrain |
| P1753 | Shift control solenoid | 29 | Powertrain |
| P1758 | SMG: Selection angle cannot be engaged | 29 | Powertrain |
| P175A | Transmission range switch A circuit low voltage | 13 | Powertrain |
| P175B | Gear actuator gearbox section 2 tolerance limit reached | 12 | Powertrain |
| P1760 | Brake switch | 32 | Powertrain |
| P1761 | EGS: Solenoid, shiftlock | 31 | Powertrain |
| P1762 | Overdrive band failed off | 26 | Powertrain |
| P1763 | Shift lock open | 23 | Powertrain |
| P1764 | Instrument cluster triggering | 23 | Powertrain |
| P1765 | EGS: CAN throttle | 29 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.