PowertrainP0A0B
CautionSeverity: Caution - get it checked when you can
High Voltage System Inter-Lock Circuit Performance
Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions
1What it means in plain English
The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.
2Common causes
- Sensor or actuator fault
- Wiring or connector fault
- Vacuum or intake leak
- Fuel or ignition problem
- Control module fault
3Can I drive?
Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 21
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P0A0B | No description available | Powertrain |
| BAIC Motor | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| Mercedes-Benz | P0A0B | No description available | Powertrain |
| BYD | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| Chery | P0A0B | Vehicle charging loop interlock abnormal Brand | Powertrain |
| Daewoo | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| DFFS | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| DFFX | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| DFXK | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| EOBD | P0A0B | Låsekrets for høyspenningssystem 'A' ytelse Brand | Powertrain |
| Geely | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| GM | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| Great Wall | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| Hafei | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| Hyundai | P0A0B | No description available | Powertrain |
| Isuzu | P0A0B | No description available | Powertrain |
| Land Rover | P0A0B | High Voltage System Interlock Circuit Performance Brand | Powertrain |
| Peugeot | P0A0B | No description available | Powertrain |
| Saab | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| MG (SAIC) | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
| Toyota | P0A0B | High Voltage System Inter-Lock Circuit Performance Brand | Powertrain |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Extended variant codes 19
These 7-character codes are manufacturer-specific variants of P0A0B and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P0A0B00 | High Voltage System Interlock Circuit Performance Brand | Powertrain |
| Mercedes-Benz | P0A0B01 | The HVIL loop of VEHICLE is open. Brand | Powertrain |
| Mercedes-Benz | P0A0B02 | Der Interlock-Kreis des Hochvolt-Bordnetzes hat Funktionsstörung. Es liegt ein allgemeiner Signalfehler vor. Brand | Powertrain |
| Mercedes-Benz | P0A0B04 | The interlock circuit of the high-voltage on-board electrical system has a malfunction. Brand | Powertrain |
| Mercedes-Benz | P0A0B08 | The interlock circuit of the high-voltage on-board electrical system has a malfunction. Brand | Powertrain |
| Mercedes-Benz | P0A0B10 | General fault of PACK interlock loop Brand | Powertrain |
| Mercedes-Benz | P0A0B11 | The HVIL loop of PACK is open. Brand | Powertrain |
| Mercedes-Benz | P0A0B1C | The interlock circuit of the high-voltage on-board electrical system has a malfunction. The voltage value is outside the permissible range. Brand | Powertrain |
| Mercedes-Benz | P0A0B2F | High Voltage System Interlock Circuit 'A' Performance Brand | Powertrain |
| Mercedes-Benz | P0A0B47 | The interlock circuit of the high-voltage on-board electrical system has a malfunction. There is a runtime error. Brand | Powertrain |
| Mercedes-Benz | P0A0B49 | The interlock circuit of the high-voltage on-board electrical system has a malfunction. There is an internal electrical fault. Brand | Powertrain |
| Mercedes-Benz | P0A0B64 | Der Interlock-Kreis des Hochvolt-Bordnetzes hat Funktionsstörung. Es liegt ein unplausibles Signal vor. Brand | Powertrain |
| Mercedes-Benz | P0A0B78 | The interlock circuit of the high-voltage on-board electrical system has a malfunction. The adaptation or adjustment is incorrect. Brand | Powertrain |
| Mercedes-Benz | P0A0B79 | The interlock circuit of the high-voltage on-board electrical system has a malfunction. The mechanical connection has failed. Brand | Powertrain |
| Mercedes-Benz | P0A0BFA | The interlock circuit of the high-voltage on-board electrical system has a malfunction. There is a runtime error. Brand | Powertrain |
| Mercedes-Benz | P0A0BFB | High Voltage System Interlock Circuit 'A' Performance. FB Brand | Powertrain |
| Mercedes-Benz | P0A0BFC | High Voltage System Interlock Circuit 'A' Performance. FC Brand | Powertrain |
| Mercedes-Benz | P0A0BFE | The interlock circuit of the high-voltage on-board electrical system has a malfunction. There is an internal electrical fault. Brand | Powertrain |
| Mercedes-Benz | P0A0BFF | The interlock circuit of the high-voltage on-board electrical system has a malfunction. There is a general electrical fault. Brand | Powertrain |
6Related codes
Browse Pxxx codes or P0A0xx codes.