Fault code lookup

PowertrainP1DB6

Caution

Severity: Caution - get it checked when you can

Speed signal implausible

9 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

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

Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.

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 9

BrandCodeDescriptionSystem
BAIC MotorP1DB6Speed signal implausible BrandPowertrain
ChryslerP1DB6Vehicle Speed Signal Performance BrandPowertrain
DFFSP1DB6Component internal error BrandPowertrain
EOBDP1DB6Sebességjel teljesítmény BrandPowertrain
FiatP1DB6Vehicle speed signal performance BrandPowertrain
HondaP1DB6No description available Powertrain
MaseratiP1DB6vehicle speed signal performance BrandPowertrain
ProtonP1DB6No description available Powertrain
MG (SAIC)P1DB6DCDC Peak Over Current 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 P1DB6 and may be reported by some scan tools.

BrandCodeDescriptionSystem
SsangYongP1DB611High voltage precharge relay coil stuck closed BrandPowertrain
SsangYongP1DB613High voltage precharge relay coil stuck open BrandPowertrain

6Related codes

Browse Pxxx codes or P1DBxx codes.

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