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TuningBot DTC Database · v4.37.15

P1229 Opel - Engine control relay - voltage high

Manufacturer-specific interpretation for Opel. All interpretations of P1229

P · PowertrainEngineOBD2

What P1229 means

P1229
Engine control relay - voltage high Opel · engine Data confidence 62%

The control module detected that the Engine control relay voltage stayed above the expected range. This is the manufacturer-specific definition used by Opel.

Related and nearby codes

How to read P1229

P

Powertrain: engine, transmission and driveline systems.

1

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

229

Specific fault index within the subsystem.

Frequently asked questions about P1229

What does P1229 mean?

Engine control relay - voltage high. The control module detected that the Engine control relay voltage stayed above the expected range. This is the manufacturer-specific definition used by Opel.

Is P1229 generic or manufacturer-specific?

P1229 is a manufacturer-specific code. In this database it is documented for: Opel. The same number can mean something different on other brands.

Can TuningBot remove P1229 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

ECU tuningStage 1 dyno results for Opel engines See the results →

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