21-035-20

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.