Error code
OBD2 P0358
OBD2P0358
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Ignition Coil 'H' Primary/Secondary Circuit.
Severity
moderateCan drive, but may experience poor performance and increased emissions.
Summary
P0358 indicates an issue with the ignition coil 'H' primary/secondary circuit malfunction on cylinder #8 of your vehicle's engine.
Symptoms
- Illuminated check engine light
- Ignition misfire
Common Causes
- Faulty ignition coil
- Problem in the ignition coil circuit
- Issue with the PCM
Diagnosis
- Visually inspect the coil pack and its connector for damage or corrosion.
- Swap the faulty ignition coil with another cylinder's coil to determine if the issue is with the coil itself or the control circuit.
- Test the resistance of the coil using a digital multimeter, checking both primary (0.4 to 2 ohms) and secondary circuits (6,000 to 15,000 ohms).
- Check for power supply issues by testing voltage at the coil connector.
- Inspect wiring between the PCM and ignition coils for continuity or faults.
Fixes
- Replace faulty ignition coil or repair damaged wiring.
FAQ
What does P0358 mean?
P0358 indicates a malfunction in the primary/secondary circuit of the ignition coil for cylinder #8.
How do I diagnose P0358?
Diagnose by visually inspecting, swapping coils, testing resistance with a multimeter, and checking power supply and wiring continuity.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0300Random/Multiple Cylinder Misfire Detected
- P0301Cylinder 1 Misfire Detected
- P0302Cylinder 2 Misfire Detected
- P0303Cylinder 3 Misfire Detected
- P0304Cylinder 4 Misfire Detected
- P0305Cylinder 5 Misfire Detected
- P0306Cylinder 6 Misfire Detected
- P0307Cylinder 7 Misfire Detected
- P0308Cylinder 8 Misfire Detected
- P0309Cylinder 9 Misfire Detected
- P0310Cylinder 10 Misfire Detected
- P0311Cylinder 11 Misfire Detected