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TuningBot DTC Database · v4.37.15

P1255 Diagnostic Trouble Code (4 interpretations)

4 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.

P · PowertrainFuelOBD2
Brand pages:ChevroletFordVAG

Chevrolet

1 interpretation
P1255
Fuel pump control module - driver over - temperature Chevrolet · fuel Data confidence 62%

The control module detected a fault associated with the Fuel pump control module - driver over - temperature circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.

Possible causes

Fuel pump control module

Ford

1 interpretation
P1255
Pedal Correlation PDS2 and LPDS Low Ford · engine Data confidence 80%

The control module detected a fault associated with the Pedal Correlation PDS2 and LPDS Low circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

VAG

2 interpretations
P1255
Engine coolant temperature (ECT) sensor - short to ground VAG · thermal_management Data confidence 62%

The control module detected a short circuit to ground in the Engine coolant temperature (ECT) circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to ground
  • ECT sensor
Applies to Audi
P1255
Engine Coolant Temperature Circuit (G62): Short to Ground VAG · thermal_management Data confidence 88%

The control module detected a short circuit to ground in the Engine Coolant Temperature Circuit (G62) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17663. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

  • Difficulties with starting a cold engine
  • RPM at idle is irregular
  • With all engine temperatures seldom idle rpm will vary between 900 - 1000 rpm
  • Bad acceleration during warming up

Possible causes

  • Wiring and/or connections faulty
  • Engine Coolant Temperature Sensor (G62) faulty

Recommended checks

  • Check wiring and connections
  • Check / Replace Engine Coolant Temperature Sensor (G62)
Applies to Volkswagen

Related and nearby codes

P12 range
P1200P1201P1202P1203P1204P1205P1206P1207P1208P1209P120AP120CP1210P1211P1212P1213P1214P1215

How to read P1255

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

255

Specific fault index within the subsystem.

Frequently asked questions about P1255

What does P1255 mean?

Diagnostic Trouble Code (4 interpretations). The control module detected a fault associated with the Fuel pump control module - driver over - temperature circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.

Is P1255 generic or manufacturer-specific?

P1255 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Ford, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1255 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: Diagnostic Strategy and DTC Logic

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