JEEP
18-023-25
Manufacturer communications
- Publication date
- 2025-04-29
- Received by NHTSA
- 2025-05-07
- NHTSA record numbers
- 11018125
Manufacturer summary
Original wording in English
"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P1CEA - Boost Side EVAP Purge System Performance.
• P2AF6 - Dual Starter Relay Stuck.
• P026E - Charge Air Cooler Coolant Pump Performance. Customers may also comment on one or more of the following:
• Low battery State of Charge (SoC) leading to battery replacement.
• Vehicle does not restart after an Engine Stop Start (ESS) event but will restart after an ignition cycl This bulletin involves reprogramming the PCM with the latest available software."
• P1CEA - Boost Side EVAP Purge System Performance.
• P2AF6 - Dual Starter Relay Stuck.
• P026E - Charge Air Cooler Coolant Pump Performance. Customers may also comment on one or more of the following:
• Low battery State of Charge (SoC) leading to battery replacement.
• Vehicle does not restart after an Engine Stop Start (ESS) event but will restart after an ignition cycl This bulletin involves reprogramming the PCM with the latest available software."
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P026ECharge Air Cooler Coolant Pump PerformanceJeep
P1CEABoost Side EVAP Purge System PerformanceJeep
P2AF6Dual Starter Relay StuckCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | GRAND WAGONEER | 2025 |
| Jeep | WAGONEER | 2025 |