Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1378 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1378

P · PowertrainIgnitionOBD2

What P1378 means

P1378
Ignition coil/amplifier, cylinder 8 - short to ground VAG · ignition Data confidence 62%

The control module detected a short circuit to ground in the Ignition coil/amplifier, cylinder 8 circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to ground
  • ignition coil/ amplifier
Applies to Audi
P1378
Cylinder 8 Ignition Circuit Short To Ground VAG · engine Data confidence 80%

The control module detected a short circuit to ground in the Cylinder 8 Ignition circuit. This is the manufacturer-specific definition used by Volkswagen.

Applies to Volkswagen

Related and nearby codes

How to read P1378

P

Powertrain: engine, transmission and driveline systems.

1

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

378

Specific fault index within the subsystem.

Frequently asked questions about P1378

What does P1378 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected a short circuit to ground in the Ignition coil/amplifier, cylinder 8 circuit. This is the manufacturer-specific definition used by Audi.

Is P1378 generic or manufacturer-specific?

P1378 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 P1378 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 VAG engines See the results →

← Search the full DTC database