Fault code lookup

PowertrainP11DD

Caution

Severity: Caution - get it checked when you can

NO. 478 battery voltage sampling wire loop fault

8 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 8

BrandCodeDescriptionSystem
BYDP11DDNO. 478 battery voltage sampling wire loop fault BrandPowertrain
DaewooP11DDNo description available Powertrain
EOBDP11DDKamaxelaktuator utlopp A cylinder 6 BrandPowertrain
GMP11DDNo description available Powertrain
HoldenP11DDNOx Sensor 1 Module Long Term Memory Performance BrandPowertrain
OpelP11DDNo description available Powertrain
PeugeotP11DDNo description available Powertrain
SaabP11DDNo 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.

5Extended variant codes 2

These 7-character codes are manufacturer-specific variants of P11DD and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzP11DD00Steuergerät Innentemperatursensor, Spannung Bereichsgrenze unten BrandPowertrain
SprinterP11DD00Steuergerät Innentemperatursensor, Spannung Bereichsgrenze unten BrandPowertrain

6Related codes

Browse Pxxx codes or P11Dxx codes.

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