CHRYSLER
18-026-26
Manufacturer communications
- Publication date
- 2026-02-26
- Received by NHTSA
- 2026-03-05
- NHTSA record numbers
- 11029755
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 SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):**
• **P152F – Engine Hood Switch 2 / Engine Hood Switch 1 Correlation.** **Customers may also comment on one or more of the following:**
• **Engine Start/Stop feature is inoperable.**
• Battery depletes.
• Rough shifting while driving.
• Poor vehicle response and drop in engine speed when making light changes to the accelerator pedal position.
• Drop in engine speed when in 5th gear and decelerating.
• Engine RPM drops during the coast down or braking. This bulletin involves reprogramming the PCM with the latest available software.
• **P152F – Engine Hood Switch 2 / Engine Hood Switch 1 Correlation.** **Customers may also comment on one or more of the following:**
• **Engine Start/Stop feature is inoperable.**
• Battery depletes.
• Rough shifting while driving.
• Poor vehicle response and drop in engine speed when making light changes to the accelerator pedal position.
• Drop in engine speed when in 5th gear and decelerating.
• Engine RPM drops during the coast down or braking. 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.
Chrysler
P152FEngine Hood Switch 2 / Engine Hood Switch 1 Correlation.** **Customers may also comment on one or more of the followingCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.