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TuningBot DTC Database · v4.37.15

P1340 Toyota - Ignition control - cylinder No. 8 - circuit malfunction

Manufacturer-specific interpretation for Toyota. All interpretations of P1340

P · PowertrainEngineOBD2

What P1340 means

P1340
Ignition control - cylinder No. 8 - circuit malfunction Toyota · engine Data confidence 62%

The control module detected improper operation of the Ignition control - cylinder No. 8 circuit. This is the manufacturer-specific definition used by Toyota.

Possible causes

  • Wiring
  • ignition module/coil
  • ECM

Related and nearby codes

How to read P1340

P

Powertrain: engine, transmission and driveline systems.

1

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

340

Specific fault index within the subsystem.

Frequently asked questions about P1340

What does P1340 mean?

Ignition control - cylinder No. 8 - circuit malfunction. The control module detected improper operation of the Ignition control - cylinder No. 8 circuit. This is the manufacturer-specific definition used by Toyota.

Is P1340 generic or manufacturer-specific?

P1340 is a manufacturer-specific code. In this database it is documented for: Toyota. The same number can mean something different on other brands.

Can TuningBot remove P1340 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 Toyota engines See the results →

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