Underhood start/stop safety The customer may experience a Malfunction Indicator Lamp (MIL) illumination
Jeep technical service bulletin 9100599 for 2023-2025 Jeep Grand Cherokee, 2023-2025 Jeep Wrangler and 2023-2025 Jeep Cherokee and others.
- Bulletin number
- 9100599
- Component
- Electrical system
- Summary
- Underhood start/stop safety The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC): - P152E Engine -Hood Switch 2 Circuit High. - DTC P152F Customers may also experience: - Start/Stop system warning light. - Start/Stop inoperable. - Remote start inoperable. Diagnosis: - Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in DealerCONNECT/Service Library, verify all related systems are functioning as designed. If DTCs or symptom conditions, other than the one listed are present, record the issues on the repair order and repair as necessary before proceeding further with this bulletin. - If any vehicle exhibits any of the symptoms listed above in the customer symptom section, perform the Repair Procedure. - Special Tools/Equipment: wiTECH or equivalent. Repair Procedure: 1. Open the hood and locate the hood switch 2. Push in on the two locking tabs and pull them out. 3. Disconnect the wire connector from the switch. 4. Connect the wires to the same hood switch. 5. Push the switch back into the hold until both lock tab are engaged. 6. Clear all DTCs that may have been set in any module during this repair procedure. 7. In case the P152F/P152E DTCs persist, repeat the procedure with a new/spare/known good switch and repeat steps 5 and 6. 8. Replace switch installed during previous step for the original switch of the vehicle. If DTCs P152F/P152E are not present, leave the original switch installed and do not document the change of the switch in the repair process/narrative.
Owners of these vehicles have filed 1,961 complaints in the electrical category.
Vehicles covered
- Jeep Grand Cherokee 2023-2025 202320242025
- Jeep Wrangler 2023-2025 202320242025
- Jeep Cherokee 2023-2025 202320242025
- Dodge Durango 2023-2025 202320242025
- Ram 1500 2023-2026 2023202420252026
- Chrysler Pacifica 2023-2025 202320242025
- Jeep Compass 2023-2025 202320242025
- Jeep Gladiator 2023-2025 202320242025
- Chrysler Pacifica Plug-In Hybrid 2023-2025 202320242025
- Jeep Wagoneer 2023-2026 2023202420252026
- Jeep Grand Cherokee L 2023-2025 202320242025
- Jeep Grand Cherokee 4xe 2023-2025 202320242025
- Chrysler Voyager 2023-2025 202320242025
- Jeep Wrangler 4xe 2023-2025 202320242025
- Jeep Grand Wagoneer 2023-2026 2023202420252026
- Dodge Hornet 2023-2025 202320242025
- Dodge Hornet PHEV 2024-2025 20242025
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