PowertrainP064D86
SeriousSeverity: Serious - have it checked soon
The processor of the oxygen sensor (cylinder bank 1) in the control unit has a malfunction. There is an incorrect signal.
Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Control module: a small computer that runs one part of the car · Bank 1: the side of the engine containing cylinder 1 · Powertrain: engine, transmission and emissions
1What it means in plain English
The engine computer or one of its output circuits has a fault.
2Common causes
- Engine control module fault
- Power or ground connection problem
- Low battery or charging voltage
- Wiring short or open circuit
- Software or memory fault
3Can I drive?
If the engine runs normally, drive carefully to a workshop for diagnosis. If it runs badly, stalls, or will not restart, have the car towed.
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 2
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P064D86 | The processor of the oxygen sensor (cylinder bank 1) in the control unit has a malfunction. There is an incorrect signal. Brand | Powertrain |
| Sprinter | P064D86 | No description available | 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.
5Related codes
Browse Pxxx codes or P064xx codes.