Fault code lookup

PowertrainP7401

Serious

Severity: Serious - have it checked soon

Lost Communication with EPS

3 brands affected · Description from BAIC Motor 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 steering system. Power steering assistance may be reduced or fail.

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?

Serious · drive with care

If the steering feels heavy or unpredictable, stop safely and have the car recovered. Steering assistance can fail suddenly.

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 3

BrandCodeDescriptionSystem
BAIC MotorP7401Lost Communication with EPS BrandPowertrain
PeugeotP7401No description available Powertrain
SWM MotorP7401lost communication with EPS 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 P740xx codes.

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