# Service bulletin 18\-045\-20

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: 10176576
- Published by NHTSA: 2020\-06\-22
- Manufacturer's number: 18\-045\-20
- Manufacturer's date: 2020\-05\-16
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience one or more of the following conditions: Reduced battery life. Intermittent Engine Stop/Start \(ESS\) operation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10176576-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10176576-9999.pdf)

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

## Components

Electrical system, Engine, Transmission and driveline, Automatic transmission

## Vehicles listed

- 2020 JEEP COMPASS

## Other bulletins for the same vehicles and component

- [1806023](/bulletins/10239949.md), 2023-07-31, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination.
- [1809620](/bulletins/10223961.md), 2022-10-17, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). 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. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set:P24A4\-00 \- Diesel Particulate Filter \- Soot Load.
- [S2125000002](/bulletins/10221288.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaint includes a Mil\-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
- [2500321](/bulletins/10221210.md), 2022-09-26, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); EXTERIOR LIGHTING. 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.
- [S2125000002](/bulletins/10212447.md), 2022-05-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaint includes a Mil\-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
- [18\-096\-20 REV. A](/bulletins/10184759.md), 2020-12-28, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. 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.
- [18\-096\-20 REV. A](/bulletins/10184459.md), 2020-12-21, Service bulletin: ENGINE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). 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.
- [18\-102\-20](/bulletins/10183096.md), 2020-11-30, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Diagnostic and System Updates This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software.
- [18\-096\-20](/bulletins/10183072.md), 2020-11-30, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM. 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. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set:P24A4\-00 \- Diesel Particulate Filter \- Soot Load.
- [18\-087\-20](/bulletins/10181612.md), 2020-10-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). 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. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\)P2172 \- High Airflow/Vacuum Leak Detected \(Instantaneous Accumulation\). Customer may also experience the following:An abnormal noise when the engine is in a cold condition. Irregular engine speed.

JSON: [/v1/bulletins/10176576](/v1/bulletins/10176576)

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