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Service bulletin 24-001-21

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 id10187131
Published by NHTSA2021-02-16
Manufacturer's number24-001-21
Manufacturer's date2021-01-27
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

Air Conditioning Line Crimp Failure This bulletin involves inspecting the A/C compressor suction and discharge lines for leaks and replacing any line that?s leaking. The customer may describe the following:The air conditioning is inoperable.

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

Fuel system

Vehicles listed
JEEP COMPASS2020, 2021

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
1032902025-03-04. Service bulletin. VALVE - FUEL VAPOR
1016882024-12-04. Service bulletin. TUBE ASSY - FUEL
18-010-232023-02-13. Service bulletin. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTC)s: P24D1-00 - Particulate Matter Sensor Regeneration Incomplete. (RSU VINs Only). NOTE: This software update will help prevent P24D1-00 from setting. All unsold vehicles that are part of the RSU must be updated. If P24D1-00 sets on a sold vehicle, this software update will not correct this DTC. Refer to all applicable published service bulletins for detailed repair procedures and labor times regarding this DTC. P2002-00 - Diesel Particulate Filter (DPF) Efficiency based on Particulate Matter (PM) sensor monitoring. NOTE: If DTC P2002 is present it will require DPF and PM sensor replacement. Refer to all applicable published service bulletins for detailed repair procedures and labor times regarding Diesel Particulate Matter Sensor (DPM) replacement. **P24AE-00 - Particulate Matter Sensor Circuit. P24B0-00 - Particulate Matter Sensor Circuit Low. P24B1-00 - Particulate Matter Sensor Circuit High. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P24D0-00 - Particulate Matter Sensor Supply Voltage Circuit Low. P24D3-00 - Particulate Matter Sensor Supply - Circuit Voltage Above Threshold. P24AF-00 - Particulate Matter Sensor Circuit Performance. P24B5-00 - Particulate Matter Sensor Heater Control Circuit Low. P24B6-00 - Particulate Matter Sensor Heater Control Circuit High. P24B7-00 - Particulate Matter Sensor Heater Resistance. P24DA-00 - Particulate Matter Sensor Exhaust Sample Error Bank 1. U05A4-00 - Particulate Matter Sensor Received Invalid Data From ECM - PCM. U02A3-00 - Loss of Communication with PM Sensor Module. P24B2-00 - Particulate Matter Sensor Circuit Intermittent.** Customers may also experience the following: Vehicles equipped with a six-speed C635 Dual Disc Clutch Transmission (DDCT)
18097202022-10-17. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination with limited vehicle acceleration. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:P24A4-00 - Diesel Particulate Filter - Soot Load.
18096202022-10-17. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination with limited vehicle acceleration. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:P24A4-00 - Diesel Particulate Filter - Soot Load.
11004202022-09-26. Service bulletin. Diesel Particulate Matter Sensor - Associated to DTCs - P24D1 and P24AE This bulletin involves replacing the diesel particulate sensor when one or more of the following Diagnostic Trouble Codes (DTCs) are active in the Powertrain Control Module (PCM). Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs. P24D1-00 - Particulate Matter Sensor Regeneration Incomplete. P24AE-00 - Particulate Matter Sensor Circuit.
25003212022-09-26. Service bulletin. Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) or symptom/condition.P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1.
14001212022-09-26. Service bulletin. Difficulty Starting the Vehicle on the First Attempt Due to Possible Leaking Fuel Injectors This bulletin involves replacing all four fuel injectors due to a no start condition on the first attempt. Customers may experience the following:After the engine remains stopped for more than an hour, the engine does not start on the first try, cranking for more than five seconds, when a second attempt is tried the vehicle starts fine.
25002212022-09-26. Service bulletin. Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) with the latestavailable software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs) or symptom/condition.P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module (PCM) and BCM causing a false illumination of the Malfunction IndicatorLamp (MIL)(2019 MP Only).
24-001-21 REV. A2022-07-18. Service bulletin. Air Conditioning Line Crimp Failure This bulletin involves inspecting the A/C compressor suction and discharge lines for leaks and replacing any line that?s leaking. The customer may describe the following: The air conditioning is inoperable.