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Service bulletin 08-086-25

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11015894
Published by NHTSA2025-03-25
Manufacturer's number08-086-25
Manufacturer's date2025-03-22
NHTSA componentPOWER TRAIN
Manufacturer's systemPowertrain Control Module

NHTSA's summary

"Powertrain Control Module (PCM) Wiring Harness Contacting PCM Bracket Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must set the following Diagnostic Trouble Code (DTC): ● P0235 - Turbocharger Pressure Sensor Signal Circuit Short To Ground. ● P0521 - Plausibility Monitoring Between Two Engine Oil Pressure Switch Inverted Mounting. ● P0253 - Metering Unit Electrical Failure Circuit Short To Ground. Customer may also comment on the following: ● Vehicle will not start. REPAIR SUMMARY: This bulletin involves inspecting and possibly taping or replacing the PCM harness"

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

Transmission and driveline

Trouble codes named

P0235, P0253, P0521

Vehicles listed
JEEP COMPASS2024, 2025

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
21-042-26 REV. B2026-09-23. Service bulletin. Not applicable to vehicles built for US market. 1.5L Transmission Diagnosis Service Solution Customers may experience one or more of the following: SYMPTOM: ● Transmission warning light on and/or vehicle jerking. ● Vehicle is not shifting correctly or has no traction. This service bulletin is to provide a diagnostic guide for a transmission warning light on, vehicle jerking, not shifting correctly or no traction symptoms
21-042-26 REV. A2026-07-08. Service bulletin. Not applicable to vehicles built for US market. 1.5L Transmission Diagnosis Service Solution Customers may experience one or more of the following: SYMPTOM: ● Transmission warning light on and/or vehicle jerking. ● Vehicle is not shifting correctly or has no traction. This service bulletin is to provide a diagnostic guide for a transmission warning light on, vehicle jerking, not shifting correctly or no traction symptoms.
21-042-262026-06-03. Service bulletin. Not applicable to vehicles built for US market. 1.5L Transmission Diagnosis Service Solution Customers may experience one or more of the following: ● Transmission warning light on and/or vehicle jerking. ● Vehicle is not shifting correctly or has no traction This service bulletin is to provide a diagnostic guide for a transmission warning light on, vehicle jerking, not shifting correctly or no traction symptoms.
12D Combo REV22026-05-28. Warranty extension. Emissions Recall 12D - Transmission Control Module Software - Dealer Notification (Revison 2)
08-204-262026-05-20. Service bulletin. Not applicable to vehicles built for US market. Vehicle Does Not Operate In Electric Mode And/Or Reverse Gear Is Unavailable Customers may experience one or more of the following: ● The vehicle does not operate in electric mode. ● Reverse gear is not available.
08-204-262026-05-13. Service bulletin. Not applicable to vehicles built for US market. Vehicle Does Not Operate In Electric Mode And/Or Reverse Gear Is Unavailable Customers may experience one or more of the following: ● The vehicle does not operate in electric mode. ● Reverse gear is not available.
12D COMBO Rev12026-04-10. Warranty extension. Emissions Recall 12D - Transmission Control Module Software - Dealer Notification (Revison 1)
1109392026-03-25. Service bulletin. TRANSMISSION - WITH TORQUE CONVERTER
1109402026-03-25. Service bulletin. TRANSMISSION - WITH TORQUE CONVERTER
12D COMBO2026-03-13. Warranty extension. Emissions Recall 12D - Transmission Control Module Software - Dealer Notification