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Service bulletin 1804021

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 id10221216
Published by NHTSA2022-09-26
Manufacturer's number1804021
Manufacturer's date2021-04-27
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM

NHTSA's summary

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, a technician may find the following Diagnostic Trouble Code (DTC) has been set:P061A - Level 2 Torque Performance.

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

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

Trouble codes named

P061A

Vehicles listed
CHRYSLER PACIFICA2021

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
Z762023-01-17. Service bulletin. Electric Vehicle Mode Unavailable
S21250000022022-09-26. Service bulletin. Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
S21250000022022-05-31. Service bulletin. Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
18050222022-05-31. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves updating the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may notice one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor A. P0345 - Camshaft Position Sensor Circuit - Bank 2 Sensor A. P0365 - Camshaft Position Sensor Circuit - Bank 1 Sensor B. P0390 - Camshaft Position Sensor Circuit - Bank 2 Sensor B.
S21210000062021-05-24. Service bulletin. Transmission Will Not Engage Into Gear
S20080001842020-12-21. Service bulletin. TBM (Telematics Box Module), DTC U0100-00 Lost Communication With ECM/PCM