JEEP
1809723
Manufacturer communications
- Publication date
- 2023-08-29
- Received by NHTSA
- 2023-10-02
- NHTSA record numbers
- 10243282
Manufacturer summary
Original wording in English
Powertrain Control Module (PCM) Replacement Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? U0100-00 - Lost Communication with Engine Control Module (ECM). ? U1701-87 - Engine Control Module (ECM) - Missing message. Customer may also experience: ? Vehicle no start condition. This bulletin involves replacement of the PCM for a possible no start condition.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
U0100-00Lost Communication with Engine Control Module (ECM)Jeep
U1701-87Engine Control Module (ECM) - Missing messageCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.