Service bulletin 21-035-20
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 | 10176569 |
| Published by NHTSA | 2020-06-22 |
| Manufacturer's number | 21-035-20 |
| Manufacturer's date | 2020-05-08 |
| NHTSA component | ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE |
NHTSA's summary
Flash: Transmission Control Module (TCM) Update This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find thefollowing Diagnostic Trouble Codes (DTCs) have been set:P0002-00 - Fuel Volume Regulator "A" Control Circuit Performance. P026E-00 - Charge Air Cooler Coolant Pump Performance. P1066-00 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P26E4-00 - Starter Relay "B" Circuit. P2B61-00 - Engine Coolant Flow Control Valve Stuck Closed. P2BC1-00 - Lt Water Pump Smart Driver Module. U1008-00 - LIN 1 Bus. Enhancements to this software release:Transmission shift quality improvements. In addition, the following improvement is also available:Turbo coolant pump after run duration and on-off strategy update, to improveturbo O-ring durability.
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, Engine, Fuel system, Transmission and driveline
Trouble codes named
P0002, P026E, P1066, P26E4, P2B61, P2BC1, U1008
| CHRYSLER CHRYSLER | |
|---|---|
| CHRYSLER CHRYSLER TRUCK |
Listing a model year does not mean every vehicle of it is concerned: the document says which.