BodyB122B
CautionSeverity: Caution - get it checked when you can
Right seat back blower speed sensor
Key terms: Control module: a small computer that runs one part of the car
1What it means in plain English
The coolant temperature sensor circuit is shorted, so the computer may think the engine is hotter or colder than it really is.
2Common causes
- Faulty coolant temperature sensor
- Damaged wiring or connector (short circuit)
- Corroded connector
- Low coolant level
- Body control module fault
3Can I drive?
Watch the temperature gauge. Stop safely and let the engine cool if the gauge climbs, steam appears, or a red warning light comes on; otherwise have it diagnosed soon.
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 11
| Brand | Code | Description | System |
|---|---|---|---|
| BYD | B122B | Coolant temperature sensor circuit short Brand | Body |
| Daewoo | B122B | No description available | Body |
| Geely | B122B | Airbag Fault Indicator Light Cannot Open Fault Brand | Body |
| GM | B122B | No description available | Body |
| Holden | B122B | No description available | Body |
| Honda | B122B | No description available | Body |
| Land Rover | B122B | Right seat back blower speed sensor Brand | Body |
| Opel | B122B | No description available | Body |
| Peugeot | B122B | No description available | Body |
| Proton | B122B | No description available | Body |
| Saab | B122B | No description available | Body |
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 B122B and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | B122B09 | No description available | Body |
| Sprinter | B122B09 | No description available | Body |
| Mercedes-Benz | B122B11 | PARKTRONIC sensor 7 has a malfunction. There is a short circuit to ground. Brand | Body |
| Mercedes-Benz | B122B12 | Park Sensor 7 short to battery Brand | Body |
| Sprinter | B122B12 | No description available | Body |
| Mercedes-Benz | B122B13 | Park Sensor 7 open circuit Brand | Body |
| Mercedes-Benz | B122B14 | Park Sensor 7 short to ground Brand | Body |
| Sprinter | B122B14 | No description available | Body |
| Mercedes-Benz | B122B15 | PARKTRONIC sensor 7 has a malfunction - Circuit Short To Battery or Open Brand | Body |
| Sprinter | B122B15 | No description available | Body |
| Mercedes-Benz | B122B23 | No description available | Body |
| Sprinter | B122B23 | No description available | Body |
| Mercedes-Benz | B122B24 | No description available | Body |
| Sprinter | B122B24 | No description available | Body |
| Mercedes-Benz | B122B4A | Park Sensor 7 wrong type Brand | Body |
| Sprinter | B122B4A | No description available | Body |
| Mercedes-Benz | B122B95 | No description available | Body |
| Sprinter | B122B95 | No description available | Body |
| Mercedes-Benz | B122B97 | PARKTRONIC sensor 7 has a malfunction. The system function is restricted. Brand | Body |
6Related codes
Browse Bxxx codes or B122xx codes.