PowertrainP058A4B

Serious

Severity: Serious - have it checked soon

The hardware monitoring function of the high-voltage battery has detected a fault. There is a fault due to overtemperature.

1 brand affected · Description from Mercedes-Benz data.

Key terms: Powertrain: engine, transmission and emissions

Safety: This code relates to battery, high-voltage or charger overheating. An overheating battery can catch fire.

1What it means in plain English

This range covers vehicle speed, idle and oil-pressure control, charging-system voltage, and brake-switch circuits.

2Common causes

Carbon build-up in the throttle body
Faulty idle air control valve
Faulty vehicle speed sensor
Faulty charging system or weak battery
Wiring or connector fault

3Can I drive?

Serious · drive with care

Stop safely away from buildings and people - battery overheating can lead to fire. Do not charge or drive. Have the vehicle recovered.

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 1

Brand	Code	Description	System
Mercedes-Benz	P058A4B	The hardware monitoring function of the high-voltage battery has detected a fault. There is a fault due to overtemperature. 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.

5Related codes

Browse Pxxx codes or P058xx codes.