P0358Jeep Grand-cherokeeYears: 1996 - 2026
Ignition Coil H Primary/Secondary Circuit Malfunction
Reviewed by ASE Certified Technician
What does this mean?
Code P0358 indicates a malfunction in the ignition coil circuit for coil H (typically Cylinder 8).
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Jeep Grand-cherokee models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
Faulty ignition coil or coil pack
Worn or fouled spark plugs
Damaged, chafed, or broken wiring harness
Corroded or loose electrical connector
Symptoms to Watch For
- Check Engine Light is illuminated
- Engine misfiring or shaking sensation
- Rough or unstable idle
- Significant loss of engine power
- Poor acceleration or sluggish response