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TuningBot DTC Database · v4.37.15

00978 Lamp for Low Beam; Left (M29)

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

BodyOEM
Brand pages:VAG

VAG

1 interpretation
00978
Lamp for Low Beam; Left (M29) VAG · body Data confidence 80%

The control module detected a fault associated with the Lamp for Low Beam; Left (M29) circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Documented stored variants include: Open or Short to Plus. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Lamp (MIL) active

Possible causes

  • Lamp for Low Beam; Left (M29) faulty
  • Wiring/Connector(s) from/to Lamp for Low Beam; Left (M29) faulty
  • Control Module incorrectly coded

Recommended checks

  • Check Lamp for Low Beam; Left (M29)
  • Check Wiring/Connector(s) from/to Lamp for Low Beam; Left (M29)
  • Check Control Module Coding
Applies to Volkswagen

Related and nearby codes

Frequently asked questions about 00978

What does 00978 mean?

Lamp for Low Beam; Left (M29). The control module detected a fault associated with the Lamp for Low Beam; Left (M29) circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Documented stored variants include: Open or Short to Plus. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Is 00978 generic or manufacturer-specific?

00978 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.

Can TuningBot remove 00978 at file level?

Not guaranteed. 00978 is a manufacturer-specific code in an OEM format, so removability depends on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether 00978 is removable in your case.

Other file services

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

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