# Service bulletin 09\-026\-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: 11023069
- Published by NHTSA: 2025\-09\-10
- Manufacturer's number: 09\-026\-25
- Manufacturer's date: 2025\-09\-03
- NHTSA component: ENGINE

## NHTSA's summary

Not applicable to vehicles built for US market. Spark Plug Melting Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0300 \-00 \- Random/Multiple Cylinder \- Misfire Detected. ● P0301 \-00 \- Cylinder 1 \- Misfire Detected. ● P0302 \-00 \- Cylinder 2 \- Misfire Detected. ● P0303 \-00 \- Cylinder 3 \- Misfire Detected. ● P0304 \-00 \- Cylinder 4 \- Misfire Detected. ● P1336 \-00 \- Combustion misfiring \(impact on catalytic converter\) : Cylinder undetermined. ● P1337 \- Combustion misfiring \(impact on catalytic converter\) : Cylinder 1. ● P1338 \- Combustion misfiring \(impact on catalytic converter\) : Cylinder 2. ● P1339 \- Combustion misfiring \(impact on catalytic converter\) : Cylinder 3. ● P1340 \- Combustion misfiring \(impact on catalytic converter\) : Cylinder 4. Customers may also experience one or more of the following: ● Engine makes a loud metallic knocking noise at idle. ● Difficulty starting. ● Rough and noisy idle This bulletin involves inspecting for DTCs, inspecting for engine leaks and/or damage, and replacing the spark plugs.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023069-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023069-9999.pdf)

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

## Components

Engine

## Trouble codes named

P0300, P0301, P0302, P0303, P0304, P1336, P1337, P1338, P1339, P1340

## Vehicles listed

- 2022 to 2025 JEEP COMPASS
- 2022 to 2023 JEEP RENEGADE
- 2024 to 2025 JEEP RENEGADE

## Other bulletins for the same vehicles and component

- [18\-081\-26](/bulletins/11038538.md), 2026-10-16, Service bulletin: ENGINE. Not applicable to vehicles built for US market. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P0607 \- Control Module Performance. Customers may also comment on one or more of the following: ● The vehicle will not start until the ignition is cycled for a second time. ● Engine malfunction \(injection\) warning lamp illuminated in the Instrument Panel Cluster \(IPC\). This bulletin involves reprogramming the PCM with the latest available software.
- [18\-080\-26](/bulletins/11038537.md), 2026-10-16, Service bulletin: ENGINE. Not applicable to vehicles built for US market. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P0607 \- Control Module Performance. Customers may also comment on one or more of the following: ● The vehicle will not start until the ignition is cycled for a second time. ● Engine malfunction \(injection\) warning lamp illuminated in the Instrument Panel Cluster \(IPC\). This bulletin involves reprogramming the PCM with the latest available software.
- [18\-081\-26](/bulletins/11038501.md), 2026-10-16, Service bulletin: ENGINE. Not applicable to vehicles built for US market. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P0607 \- Control Module Performance. Customers may also comment on one or more of the following: ● The vehicle will not start until the ignition is cycled for a second time. ● Engine malfunction \(injection\) warning lamp illuminated in the Instrument Panel Cluster \(IPC\). This bulletin involves reprogramming the PCM with the latest available software.
- [18\-080\-26](/bulletins/11038500.md), 2026-10-16, Service bulletin: ENGINE. Not applicable to vehicles built for US market. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P0607 \- Control Module Performance. Customers may also comment on one or more of the following: ● The vehicle will not start until the ignition is cycled for a second time. ● Engine malfunction \(injection\) warning lamp illuminated in the Instrument Panel Cluster \(IPC\). This bulletin involves reprogramming the PCM with the latest available software.
- [S2609000011](/bulletins/11037354.md), 2026-09-17, Service bulletin: ENGINE. MIL\-On and/or Engine Oil Leak
- [09\-010\-26 REV. B](/bulletins/11037278.md), 2026-09-10, Service bulletin: ENGINE. Not applicable to vehicles built for US market. Oil Leak Through The Rear Crankshaft Oil Seal \(Flywheel Side\) Customers may comment on the following: ● Oil Pressure warning light illuminates. ● Engine oil is leaking onto the floor beneath the vehicle This bulletin involves inspecting for oil leaks and if necessary replacing the rear crankshaft oil seal \(flywheel side\)
- [09\-022\-26](/bulletins/11037275.md), 2026-09-10, Service bulletin: ENGINE. Not applicable to vehicles built for US market. Right Engine Insulator Noise \*\*Customers may comment on the following:\*\* SYMPTOM: ● Metallic clicking noises when when moving the vehicle forward and reverse. \*\*This bulletin involves replacing the right engine insulator.\*\*
- [9100363 Rev 3](/bulletins/11036762.md), 2026-09-03, Service bulletin: ENGINE. Turbocharger Kit Please note that many turbo components are serviceable separately and full turbo replacement may not be required. If the turbo is being inspected for: Noise/Rattle: Inspect heat shield fasteners for looseness and check the wastegate actuator/linkage for binding. The actuator kit is serviced separately. Oil Leak: Inspect the turbo oil feed O\-ring area for leaks. O\-ring is serviced separately.
- [09\-021\-26](/bulletins/11036749.md), 2026-09-03, Service bulletin: ENGINE. Not applicable to vehicles built for US market. Noisy Timing Chain Tensioner Customers may experience the following: SYMPTOM: ● A metallic knocking noise coming from the timing chain area during engine operation. This bulletin involves replacing the timing chain tensioner.
- [09\-018\-26](/bulletins/11036159.md), 2026-08-13, Service bulletin: ENGINE. Not applicable to vehicles built for US market. Cylinder Head Screw Not Specific Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P1212 \- Engine Oil Temperature High \- RPM Limited. Customers may also experience the following: ● Engine overheating. This bulletin involves replacing the cylinder head to block bolts and head gasket.

JSON: [/v1/bulletins/11023069](/v1/bulletins/11023069)

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