# Service bulletin 21\-047\-26

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: 11033867
- Published by NHTSA: 2026\-06\-16
- Manufacturer's number: 21\-047\-26
- Manufacturer's date: 2026\-06\-03
- NHTSA component: ENGINE

## NHTSA's summary

Not applicable to vehicles built for US market. Significant Engine Braking The customer must describe the following: ● Significant engine braking when letting off the accelerator.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033867-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033867-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2026 JEEP COMPASS

## 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\-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.
- [21\-061\-26](/bulletins/11037572.md), 2026-09-30, Service bulletin: POWER TRAIN; ENGINE. Not applicable to vehicles built for US market. Park Lock Piston Leaking Customers may comment on the following: SYMPTOM: ● Power loss \- jerking while driving that may result in the engine being unable to restart after a stop if fault code P0B0C 7A is present.
- [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\-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\-015\-26](/bulletins/11035318.md), 2026-07-29, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Not applicable to vehicles built for US market. Whistle Noise From Engine Area Customers may comment on the following: SYMPTOM: ● Whistle noise from engine compartment.
- [08\-281\-26](/bulletins/11035181.md), 2026-07-23, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Not applicable to vehicles built for US market. Engine Will Not Start If Fault Code P0AA1\-09 Is Present Customers may experience the following: ● The engine will not start with display of the message "Electric drive system fault" in the Instrument Panel Cluster \(IPC\) \- if fault code P0AA1\-09 is present.
- [09\-010\-26 REV. A](/bulletins/11035171.md), 2026-07-23, 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: SYMPTOM: ● 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 \(flywheel side\).
- [112639](/bulletins/11034912.md), 2026-07-08, Service bulletin: ENGINE. THROTTLE BODY – NONE

JSON: [/v1/bulletins/11033867](/v1/bulletins/11033867)

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