Home08-312-26 · JEEP
JEEP

08-312-26

Manufacturer communications

Publication date
2026-08-07
Received by NHTSA
2026-08-13
NHTSA record numbers
11036157

Manufacturer summary

Original wording in English

Powertrain Modules Software Update Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P1E18-00 - Internal Control Module Electronic Park Performance.
• P1625-00 - Park Pawl System Failure.
• P1626-00 - Park Pawl Motor Stuck. NOTE: If DTCs P1E25-00, P1625-00 or P1626-00 are active, the vehicle will stay in READY mode since the Electric Vehicle Control Unit (EVCU) is not able to confirm if the park pawl is engaged, and the vehicle will be secured.
• P0A78-00 - Drive Motor A Inverter Performance.
• P0A79-00 - Drive Motor B Inverter Performance. Customers may also comment on one or more of the following:
• Vehicle is not shutting off and draining the 12V battery.
• Unable to start the vehicle.

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Check vehicle applicability

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MakeModelModel year
JeepWAGONEER S2025
JeepWAGONEER S2024

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