BYD fault codes
7,677 codes · 97 vehicle records · 71 ECU records · 0 live-data parameters
Codes 7,677
| Code | Description | Brands | System |
|---|---|---|---|
| P0645 | A/C Clutch Relay Control Circuit | 38 | Powertrain |
| P0646 | A/C Clutch Relay Control Circuit Low | 35 | Powertrain |
| P0647 | A/C Clutch Relay Control Circuit High | 35 | Powertrain |
| P0648 | Immobilizer Lamp Control Circuit | 25 | Powertrain |
| P0649 | Speed Control Lamp Control Circuit | 28 | Powertrain |
| P064A | Fuel Pump Control Module A | 30 | Powertrain |
| P064B | ECU internal fault (driver seat belt pretensioner ignition system) | 21 | Powertrain |
| P064C | Glow Plug Control Module 1 | 28 | Powertrain |
| P064D | Oxygen sensor serial peripheral interface (SPI) communication failure | 30 | Powertrain |
| P064E | Internal Control Module O2 Sensor Processor Performance | 26 | Powertrain |
| P064F | Unauthorized software/calibration detected | 27 | Powertrain |
| P0650 | Malfunction Indicator Lamp (MIL) Control Circuit | 36 | Powertrain |
| P0651 | Sensor Reference Voltage B Circuit/Open | 39 | Powertrain |
| P0652 | Sensor Reference Voltage B Circuit Low | 34 | Powertrain |
| P0653 | Sensor Reference Voltage B Circuit High | 36 | Powertrain |
| P0654 | Engine RPM Output Circuit | 30 | Powertrain |
| P0655 | Engine Hot Lamp Output Control Circuit | 28 | Powertrain |
| P0656 | Fuel Level Output Circuit | 29 | Powertrain |
| P0657 | Actuator Supply Voltage A Circuit/Open | 38 | Powertrain |
| P0658 | Actuator Supply Voltage A Circuit Low | 34 | Powertrain |
| P0659 | Actuator Supply Voltage A Circuit High | 32 | Powertrain |
| P065A | Generator System Performance | 28 | Powertrain |
| P065B | Generator electrical fault | 28 | Powertrain |
| P065C | Generator mechanical fault | 21 | Powertrain |
| P065D | Reductant system malfunction lamp control circuit | 19 | Powertrain |
| P065E | Intake Manifold Tuning Valve Performance | 25 | Powertrain |
| P065F | Intake Manifold Tuning Valve Performance | 19 | Powertrain |
| P0660 | Intake Manifold Tuning Valve Control Circuit/Open (Bank 1) | 34 | Powertrain |
| P0661 | Intake Manifold Tuning Valve Control Circuit Low (Bank 1) | 33 | Powertrain |
| P0662 | Intake Manifold Tuning Valve Control Circuit High (Bank 1) | 33 | Powertrain |
| P0663 | Intake Manifold Tuning Valve Control Circuit/Open (Bank 2) | 24 | Powertrain |
| P0664 | Intake Manifold Tuning Valve Control Circuit Low (Bank 2) | 24 | Powertrain |
| P0665 | Intake Manifold Tuning Valve Control Circuit High (Bank 2) | 24 | Powertrain |
| P0666 | Control Module Internal Temperature Sensor A Circuit | 32 | Powertrain |
| P0667 | Control Module Internal Temperature Sensor A Range/Performance | 30 | Powertrain |
| P0668 | Control Module Internal Temperature Sensor A Circuit Low | 32 | Powertrain |
| P0669 | Control Module Internal Temperature Sensor A Circuit High | 32 | Powertrain |
| 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 |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.