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TuningBot DTC Database · v4.37.15

P0355 Diagnostic Trouble Code (2 variants)

Generic (OBD-II) interpretation + 1 manufacturer-specific in the TuningBot DTC database.

P · PowertrainIgnitionOBD2
Brand pages:Ford

Generic (OBD-II) interpretation

P0355
Ignition Coil E Primary/Secondary Circuit Malfunction Generic · ignition Data confidence 90%

The control module detected improper operation of the Ignition Coil E Primary/Secondary circuit.

Possible causes

  • Wiring
  • ignition coil
  • ECM

Manufacturer-specific interpretations

Ford

2 interpretations
P0355:11
Internal control module ignition coil control module performance Ford · software Data confidence 94%

Ford documents P0355:11 (circuit short to ground) for its 2024-2025 gasoline-engine OBD monitor strategy as internal control module ignition coil control module performance. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Check applicable OEM service information
Applies to Ford gasoline-engine OBD applications|2024-2025 model years
P0355:12
Internal control module ignition coil control module performance Ford · software Data confidence 94%

Ford documents P0355:12 (circuit short to battery) for its 2024-2025 gasoline-engine OBD monitor strategy as internal control module ignition coil control module performance. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Check applicable OEM service information
Applies to Ford gasoline-engine OBD applications|2024-2025 model years

Related and nearby codes

How to read P0355

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

355

Specific fault index within the subsystem.

Frequently asked questions about P0355

What does P0355 mean?

Diagnostic Trouble Code (2 variants). The control module detected improper operation of the Ignition Coil E Primary/Secondary circuit.

Is P0355 generic or manufacturer-specific?

P0355 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.

Can TuningBot remove P0355 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 Ford engines See the results →

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