PowertrainP1852
CautionSeverity: Caution - get it checked when you can
Data bus powertrain implausible message from engine control
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 22
| Brand | Code | Description | System |
|---|---|---|---|
| BAIC Motor | P1852 | Gearbox adaptation interlocked adaptation failed to return empty Brand | Powertrain |
| BMW | P1852 | implausible signal or value Brand | Powertrain |
| Chery | P1852 | Powertrain Data Bus: Implausible Message ECU Brand | Powertrain |
| Daewoo | P1852 | Solenoid 1 Output Circuit Open Brand | Powertrain |
| DFXK | P1852 | Powertrain Data Bus: Implausible Message ECU Brand | Powertrain |
| EOBD | P1852 | Fourche 1 Brand | Powertrain |
| Geely | P1852 | Powertrain Data Bus: Implausible Message ECU Brand | Powertrain |
| GM | P1852 | Brake Band Apply SolenoidLow Voltage Brand | Powertrain |
| Holden | P1852 | Clutch Temperature Too High Brand | Powertrain |
| Land Rover | P1852 | Transfer case contact plate B - short circuit to ground Brand | Powertrain |
| Mitsubishi | P1852 | Shift fork 1/2 move opposite Brand | Powertrain |
| Opel | P1852 | Brake Band Apply SolenoidLow Voltage Brand | Powertrain |
| Peugeot | P1852 | No description available | Powertrain |
| Proton | P1852 | Shift fork 1/2 move opposite Brand | Powertrain |
| Saab | P1852 | Brake Band Apply SolenoidLow Voltage Brand | Powertrain |
| MG (SAIC) | P1852 | Clutch Temperature exceeds limits Brand | Powertrain |
| Smart | P1852 | No description available | Powertrain |
| Subaru | P1852 | No description available | Powertrain |
| Suzuki | P1852 | Sensor Power Supply 'A Brand | Powertrain |
| Tata | P1852 | No description available | Powertrain |
| Toyota | P1852 | Data bus powertrain implausible message from engine control Brand | Powertrain |
| Volkswagen | P1852 | Drive train data bus, implausible message from engine CU 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 2
These 7-character codes are manufacturer-specific variants of P1852 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| SsangYong | P185200 | Short to ground for position encoder 2 Brand | Powertrain |
| Mercedes-Benz | P185262 | The power supply of control unit 'On-board charger' has a malfunction. The signal comparison is faulty. Brand | Powertrain |
6Related codes
Browse Pxxx codes or P185xx codes.