Service bulletin 09-021-26

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 3, 2026
Manufacturer: JEEP
NHTSA ID: 11036749
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: JEEP COMPASS 2025-2027
Component, as stated by NHTSA: ENGINE

Text of the manufacturer communication

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.

Manufacturer document number: 09-021-26
Date of the communication: 2026-08-26

View original source on NHTSA.gov

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 3, 2026.

For the 2022 Jeep Wrangler

Unlimited Rubicon 4xe

Ignored

Relevance of 3% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 3%
Attention: 9%
Interrupt probability: 9%

Importance to this owner: 0.0 of 4, none
Vehicle area the notice is about: None

This manufacturer communication does not appear to warrant attention for this vehicle.

Decided by jev-1.13.0 in 134 ms from 1,600 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

YesNHTSA names this make
NoNHTSA names this model
n/aNHTSA lists model year 2022 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
3%	9%	9%	Ignored
2%	5%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	5%	6%	Ignored
1%	5%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	3%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	5%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	5%	5%	Ignored

Select a vehicle to see its attention and interrupt figures above.