Fault code lookup

PowertrainP101C

Caution

Severity: Caution - get it checked when you can

NO. 029 battery voltage sampling wire loop fault

14 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 14

BrandCodeDescriptionSystem
Ashok Leyland CVP101CNo description available Powertrain
BYDP101CNO. 029 battery voltage sampling wire loop fault BrandPowertrain
DaewooP101CNo description available Powertrain
DFXKP101CVLS valve lift sensor voltage high BrandPowertrain
EOBDP101CHurtigladekontaktor N sveis BrandPowertrain
GMP101CNo description available Powertrain
HoldenP101CGlow Plug Control Module Temperature Sensor 2 Circuit High Voltage BrandPowertrain
IsuzuP101CNo description available Powertrain
MitsubishiP101CQuick CHG. contactor N weld BrandPowertrain
OpelP101CNo description available Powertrain
PeugeotP101CNo description available Powertrain
ProtonP101CQuick CHG. contactor N weld BrandPowertrain
SaabP101CNo description available Powertrain
TataP101CNo 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 P101xx codes.

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