Fault code lookup

PowertrainP108A

Caution

Severity: Caution - get it checked when you can

NO. 139 battery voltage sampling wire loop fault

11 brands affected · Description from BYD data.

Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions

Safety: This code relates to the charging system. The battery may go flat and the car may stall.

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

  1. Sensor or actuator fault
  2. Wiring or connector fault
  3. Vacuum or intake leak
  4. Fuel or ignition problem
  5. Control module fault

3Can I drive?

Caution · drive with care

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 11

BrandCodeDescriptionSystem
BYDP108ANO. 139 battery voltage sampling wire loop fault BrandPowertrain
DaewooP108ANo description available Powertrain
EOBDP108AGenerator-Spule W Stromsensor 2 BrandPowertrain
GMP108ANo description available Powertrain
HoldenP108AStop/Start Capacitor Control Module Battery Negative Circuit Drivers 1-2 Not Plausible BrandPowertrain
MahindraP108ANo description available Powertrain
MitsubishiP108AGenerator coil W current sensor2 BrandPowertrain
OpelP108ANo description available Powertrain
PeugeotP108ANo description available Powertrain
ProtonP108AGenerator coil W current sensor2 BrandPowertrain
SaabP108ANo 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 P108xx codes.

OpenDTC - independent fault code reference