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P0352 Diagnostic and Fix for 2004 Jeep Wrangler 4.0L - Coil Pack Replacement Success and Recurrence

Model: 2004 JEEP Wrangler 4.0 Fault Code: P0352 Posted: 2019-08-04 09:46

This issue is extremely frustrating! The check engine light came on initially, but the vehicle ran smoothly at first. I waited until the weekend when it started running rough. Repeatedly turning the ignition off and on allowed me to temporarily reset the fault code and continue driving. After scanning the system, two trouble codes appeared: one for O2 Sensor Bank 2 Sensor 1, and a pending P035

Related fault codes
P0352
Comments (1)
Anonymous 2019-08-04 13:21

Check this forum thread for similar cases. Potential causes of P0352 in a 2004 Jeep Wrangler 4.0L include: - Short to voltage or ground on the coil pack driver circuit - Open circuit in the coil pack driver circuit - Loose connection at the coil pack or damaged connector locks - Faulty coil pack (COP) - Powertrain Control Module (PCM) malfunction For more details, refer to official diagnostic resources: P0352 code explanation