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Service bulletins for the 2021 Dodge Challenger

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.

287 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission control module are shown. Show all

Bulletins, newest first
18062232023-07-31. 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.
18061232023-07-31. 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.
S21250000022022-09-26. 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:
S1508000323REVA2022-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). PCM Sets DTC P1400-Aftermarket Calibration Detected/Warranty Coverage Confirmation Required
18-064-212022-08-22. 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).
18-063-212022-08-22. 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).
18-069-212022-08-22. 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).
18-068-212022-08-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE: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 vehicle speeds less than 8 kmh (5 mph).
S21250000022022-05-31. 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:

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.