# Service bulletin 18\-068\-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.

- Type: Service bulletin
- NHTSA id: 10218564
- Published by NHTSA: 2022\-08\-22
- Manufacturer's number: 18\-068\-21
- Manufacturer's date: 2021\-08\-12
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customer may request enhanced valet mode for their vehicle to limit vehicle speed.This will deter any unwanted drive off of the vehicle without the customers knowledge. Requires owner to input a 4\-digit pin to enable/disable the feature. This is only possible at vehicle speeds less than 8 kmh \(5 mph\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10218564-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10218564-9999.pdf)

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

## Components

Electrical system, Engine, Transmission and driveline, Automatic transmission, Engine control module, Transmission control module

## Vehicles listed

- 2021 DODGE CHALLENGER

## Other bulletins for the same vehicles and component

- [1806223](/bulletins/10239963.md), 2023-07-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience one or more of the following ? Under light acceleration or low speeds below 19 kph \(12 mph\) engine speed may oscillate or surge. ? After Run Cooling \(ARC\) fan inoperative. This bulletin involves reprogramming the PCM with the latest available software.
- [1806123](/bulletins/10239960.md), 2023-07-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience one or more of the following ? Under light acceleration or low speeds below 19 kph \(12 mph\) engine speed may oscillate or surge. ? After Run Cooling \(ARC\) fan inoperative. This bulletin involves reprogramming the PCM with the latest available software.
- [S2208000073](/bulletins/10229059.md), 2023-01-09, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
- [S2221000002](/bulletins/10223768.md), 2022-10-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 8HP70 Automatic Transmissions Clunk Or Knock Type Noise From The Driveline.
- [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:
- [S1508000323REVA](/bulletins/10220872.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). PCM Sets DTC P1400\-Aftermarket Calibration Detected/Warranty Coverage Confirmation Required
- [18\-064\-21](/bulletins/10218574.md), 2022-08-22, Service bulletin: 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. Customer may request enhanced valet mode for their vehicle to limit vehicle speed. This will deter any unwanted drive off of the vehicle without the customers knowledge. Requires owner to input a 4\-digit pin to enable/disable the feature. This is only possible at vehicle speeds less than 8 kmh \(5 mph\).
- [18\-063\-21](/bulletins/10218569.md), 2022-08-22, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:CYBERSECURITY. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customer may request enhanced valet mode for their vehicle to limit vehicle speed. This will deter any unwanted drive off of the vehicle without the customers knowledge. Requires owner to input a 4\-digit pin to enable/disable the feature. This is only possible at vehicle speeds less than 8 kmh \(5 mph\).
- [18\-069\-21](/bulletins/10218567.md), 2022-08-22, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customer may request enhanced valet mode for their vehicle to limit vehicle speed.This will deter any unwanted drive off of the vehicle without the customers knowledge. Requires owner to input a 4\-digit pin to enable/disable the feature. This is only possible at vehicles speeds less than 8 kmh \(5 mph\).
- [S2108000001](/bulletins/10215848.md), 2022-07-18, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; COMMUNICATION. Intermittent No Crank, Multiple CAN Communication Faults Present

JSON: [/v1/bulletins/10218564](/v1/bulletins/10218564)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2018-068-21&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10218564&vehicle=Service%20bulletin%2018-068-21)