Fault code lookup

PowertrainP1A4F

Caution

Severity: Caution - get it checked when you can

Single battery voltage too low

15 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 15

BrandCodeDescriptionSystem
BYDP1A4FSingle battery voltage too low BrandPowertrain
CheryP1A4FPTC water pump hardware fault BrandPowertrain
DaewooP1A4FNo description available Powertrain
EOBDP1A4FROM gagal BrandPowertrain
FordP1A4FNo description available Powertrain
GMP1A4FNo description available Powertrain
HoldenP1A4FDrive Motor Control Module Not Programmed BrandPowertrain
Land RoverP1A4FNo description available Powertrain
MitsubishiP1A4FROM fail BrandPowertrain
OpelP1A4FNo description available Powertrain
PeugeotP1A4FNo description available Powertrain
ProtonP1A4FROM fail BrandPowertrain
SaabP1A4FNo description available Powertrain
MG (SAIC)P1A4FOutput Current Control of cooling fan Open pin BrandPowertrain
SuzukiP1A4FHybrid / EV Battery Cell Full Charge Capacity Low BrandPowertrain

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 P1A4xx codes.

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