PowertrainP1E1B
CautionSeverity: Caution - get it checked when you can
Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Isolation Sensing 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?
The electrical system may fail and the battery may go flat, risking a stall. If the battery or charging warning light is on, drive straight to a workshop.
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 13
| Brand | Code | Description | System |
|---|---|---|---|
| Chrysler | P1E1B | No description available | Powertrain |
| Daewoo | P1E1B | Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Isolation Sensing Performance Brand | Powertrain |
| DFFS | P1E1B | Cell voltage is too low Brand | Powertrain |
| EOBD | P1E1B | Litar sensor suhu bateri (1) Brand | Powertrain |
| Fiat | P1E1B | No description available | Powertrain |
| GM | P1E1B | Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Isolation Sensing Performance Brand | Powertrain |
| Holden | P1E1B | Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Isolation Sensing Performance Brand | Powertrain |
| Mitsubishi | P1E1B | BATT.TEMP sensor circuit(1) Brand | Powertrain |
| Opel | P1E1B | Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Isolation Sensing Performance Brand | Powertrain |
| Peugeot | P1E1B | Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Isolation Sensing Performance Brand | Powertrain |
| Proton | P1E1B | BATT.TEMP sensor circuit(1) Brand | Powertrain |
| Saab | P1E1B | auxiliary transmission fluid pump control module Hybrid/EV battery voltage isolation sensing performance Brand | Powertrain |
| MG (SAIC) | P1E1B | HVM Calibration Out of Range 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 1
These 7-character codes are manufacturer-specific variants of P1E1B and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P1E1B00 | Thermal Controller - 12V Undervoltage Brand | Powertrain |
6Related codes
Browse Pxxx codes or P1E1xx codes.