Fault code lookup

PowertrainP0AC7

Caution

Severity: Caution - get it checked when you can

Hybrid/EV Battery Temperature Sensor B Circuit Low

29 brands affected · Generic SAE J2012 description.

Key terms: Control module: a small computer that runs one part of the car · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions

Safety: This code relates to the battery temperature. A hot or poorly cooled battery can lose power, and a damaged battery carries a fire risk.

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

Watch for a battery temperature warning. If the warning is on, stop safely and let the battery cool; do not charge a hot battery and have it checked.

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 29

BrandCodeDescriptionSystem
Ashok Leyland CVP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
BAIC MotorP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
Mercedes-BenzP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
BYDP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
CheryP0AC7Cell low temperature fault in charging status BrandPowertrain
DaewooP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
DFFSP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
DFFXP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
DFXKP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
EOBDP0AC7Penciri suhu bateri Hibrid/EV 'B' litar rendah BrandPowertrain
FordP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
GeelyP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
GMP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
Great WallP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
HafeiP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
HoldenP0AC7Hybrid/EV Battery Temperature Sensor 2 Circuit Low Voltage BrandPowertrain
HondaP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
HyundaiP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
IsuzuP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
Land RoverP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
MazdaP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
MitsubishiP0AC7Battery TEMP. sensor short BrandPowertrain
OpelP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
PeugeotP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
ProtonP0AC7Battery TEMP. sensor short BrandPowertrain
SaabP0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
MG (SAIC)P0AC7Hybrid Battery Temperature Sensor B Circuit Low BrandPowertrain
SubaruP0AC7Hybrid/EV Battery Temperature Sensor B Circuit Low SAEPowertrain
ToyotaP0AC7Hybrid Battery Temperature Sensor B Circuit 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.

5Extended variant codes 2

These 7-character codes are manufacturer-specific variants of P0AC7 and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzP0AC700Temperature sensor B of the high-voltage battery has a short circuit to ground. BrandPowertrain
Mercedes-BenzP0AC711Temperature sensor B of the hybrid/high-voltage battery has a short circuit to ground. There is a short circuit to ground. BrandPowertrain

6Related codes

Browse Pxxx codes or P0ACxx codes.

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