# Service bulletin 18\-049\-25

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11020757
- Published by NHTSA: 2025\-07\-17
- Manufacturer's number: 18\-049\-25
- Manufacturer's date: 2025\-07\-09
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

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 \(DTCs\): ● \*\*P08A6 \- Gear Lever Position Sensor System \- Multiple Sensor Correlation.\*\* ● 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: ● \*\*"Service Transmission” message on in the Instrument Panel Cluster \(IPC\).\*\* ● The engine runs rough. This bulletin involves reprogramming the PCM with the latest available software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020757-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020757-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Trouble codes named

P0152, P0158, P0563, P08A6, P1129, P2504

## Vehicles listed

- 2024 JEEP GLADIATOR

JSON: [/v1/bulletins/11020757](/v1/bulletins/11020757)

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