Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P066A | Cylinder 1 Glow Plug Control Circuit Low | 30 | Powertrain |
| P066B | Cylinder 1 Glow Plug Control Circuit High | 27 | Powertrain |
| P066C | Cylinder 2 Glow Plug Control Circuit Low | 30 | Powertrain |
| P066D | Cylinder 2 Glow Plug Control Circuit High | 27 | Powertrain |
| P066E | Cylinder 3 Glow Plug Control Circuit Low | 30 | Powertrain |
| P066F | Cylinder 3 Glow Plug Control Circuit High | 27 | Powertrain |
| P0670 | Glow Plug Control Module 1 Control Circuit/Open | 34 | Powertrain |
| P0671 | Cylinder 1 Glow Plug Circuit/Open | 31 | Powertrain |
| P0672 | Cylinder 2 Glow Plug Circuit/Open | 31 | Powertrain |
| P0673 | Cylinder 3 Glow Plug Circuit/Open | 31 | Powertrain |
| P0674 | Cylinder 4 Glow Plug Circuit/Open | 32 | Powertrain |
| P0675 | Cylinder 5 Glow Plug Circuit/Open | 27 | Powertrain |
| P0676 | Cylinder 6 Glow Plug Circuit/Open | 27 | Powertrain |
| P0677 | Cylinder 7 Glow Plug Circuit/Open | 26 | Powertrain |
| P0678 | Cylinder 8 Glow Plug Circuit/Open | 26 | Powertrain |
| P0679 | Cylinder 9 Glow Plug Circuit/Open | 23 | Powertrain |
| P067A | Cylinder 4 Glow Plug Control Circuit Low | 30 | Powertrain |
| P067B | Cylinder 4 Glow Plug Control Circuit High | 27 | Powertrain |
| P0680 | Cylinder 10 Glow Plug Circuit/Open | 23 | Powertrain |
| P0681 | Cylinder 11 Glow Plug Circuit/Open | 23 | Powertrain |
| P0682 | Cylinder 12 Glow Plug Circuit/Open | 25 | Powertrain |
| P0683 | Glow Plug Control Module 1 to PCM Communication Circuit | 30 | Powertrain |
| P0684 | Glow Plug Control Module 1 to PCM Communication Circuit Range/Performance | 30 | Powertrain |
| P0685 | ECM/PCM Power Relay Control Circuit/Open | 40 | Powertrain |
| P0686 | ECM/PCM Power Relay Control Circuit Low | 32 | Powertrain |
| P0687 | ECM/PCM Power Relay Control Circuit High | 33 | Powertrain |
| P0688 | ECM/PCM Power Relay Sense Circuit/Open | 33 | Powertrain |
| P068A | ECM/PCM Power Relay De-Energized Performance - Too Early | 33 | Powertrain |
| P068B | ECM/PCM Power Relay De-Energized Performance Too Late | 31 | Powertrain |
| P0691 | Fan 1 Control Circuit Low | 35 | Powertrain |
| P0692 | Fan 1 Control Circuit High | 35 | Powertrain |
| P0693 | Fan 2 Control Circuit Low | 31 | Powertrain |
| P0694 | Fan 2 Control Circuit High | 31 | Powertrain |
| P0697 | Sensor Reference Voltage C Circuit/Open | 35 | Powertrain |
| P0698 | Sensor Reference Voltage C Circuit Low | 31 | Powertrain |
| P0699 | Sensor Reference Voltage C Circuit High | 31 | Powertrain |
| P06A8 | Sensor Reference Voltage C Circuit Range/Performance | 27 | Powertrain |
| P06AF | IUMPR DID for the DTC Read | 28 | Powertrain |
| P06B1 | Sensor Power Supply A Circuit Low | 30 | Powertrain |
| P06B4 | Sensor Power Supply B Circuit Low | 28 | Powertrain |
| P06B6 | Internal Control Module Knock Sensor Processor 1 Performance | 24 | Powertrain |
| P06B8 | Internal Control Module Non-Volatile Random Access Memory (NVRAM) Error | 31 | Powertrain |
| P06DA | Engine oil pressure control circuit open | 22 | Powertrain |
| P06DB | Engine oil pressure control circuit short to ground | 21 | Powertrain |
| P06DC | Engine oil pressure control circuit short to power supply | 20 | Powertrain |
| P06E4 | Control module wake-up circuit performance | 15 | Powertrain |
| P06E7 | Sensor power supply 'C' circuit low | 15 | Powertrain |
| P0700 | Transmission Control System (MIL Request) | 40 | Powertrain |
| P0701 | Transmission Control System Range/Performance | 39 | Powertrain |
| P0702 | Transmission Control System Electrical | 36 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.