PUMP, Auxiliary Coolant Customer experiences Check Engine Light with DTC/ P026 E, P023 A, or P023 B all...
Jeep technical service bulletin 9004533 for 2021-2022 Jeep Wrangler.
- Bulletin number
- 9004533
- Component
- Engine and engine cooling
- Summary
- PUMP, Auxiliary Coolant Customer experiences Check Engine Light with DTC/ P026 E, P023 A, or P023 B all related to Coolant Pump performance. Dealers are replacing Auxiliary Coolant Pump Part #68290300AA. Then draining and refilling coolant. If vehicle has DTC/ P026 E, P023 A, or P023 B present, drain and refill coolant before changing the pump making sure all air is out of the system, then clear codes. If any of these codes return, change Aux Coolant Pump Any questions or concerns, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
Owners of these vehicles have filed 323 complaints in the engine category.
Vehicles covered
- Jeep Wrangler 2021-2022 20212022
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