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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11033867
Published by NHTSA2026-06-16
Manufacturer's number21-047-26
Manufacturer's date2026-06-03
NHTSA componentENGINE

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

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
JEEP COMPASS2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
18-081-262026-10-16. Service bulletin. 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.
18-081-262026-10-16. Service bulletin. 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.
21-061-262026-09-30. Service bulletin. 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.
S26090000112026-09-17. Service bulletin. MIL-On and/or Engine Oil Leak
09-010-26 REV. B2026-09-10. Service bulletin. 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)
09-021-262026-09-03. Service bulletin. 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.
09-015-262026-07-29. Service bulletin. 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.
08-281-262026-07-23. Service bulletin. 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. A2026-07-23. Service bulletin. 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).
1126392026-07-08. Service bulletin. THROTTLE BODY – NONE