JEEP
18-041-24
Manufacturer communications
- Publication date
- 2024-05-03
- Received by NHTSA
- 2024-06-06
- NHTSA record numbers
- 11001130
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):
• P1129 - closed loop fueling not achieved - Bank 2 Upstream.
• P0158 - O2 Sensor 2/2 circuit high.
• P0152 - O2 Sensor 2/1 circuit high.
• P2504 - Charging system output high.
• P0563 - Battery/system voltage high. Customers may also experience the following:
• The engine runs rough. This bulletin involves reprogramming the PCM with the latest available software."
• P1129 - closed loop fueling not achieved - Bank 2 Upstream.
• P0158 - O2 Sensor 2/2 circuit high.
• P0152 - O2 Sensor 2/1 circuit high.
• P2504 - Charging system output high.
• P0563 - Battery/system voltage high. Customers may also experience the following:
• The engine runs rough. 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
P0152O2 Sensor 2/1 circuit highJeep
P0158O2 Sensor 2/2 circuit highJeep
P0563Battery/system voltage highJeep
P1129closed loop fueling not achieved - Bank 2 UpstreamJeep
P2504Charging system output highCheck 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 | WRANGLER | 2023 |