Passat Sedan L4-2.0L Turbo (BPY) (2007)
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PROM - Programmable Read Only Memory: All Technical Service Bulletins
A/T Controls - Harsh 5-4 Downshifts After Extended Drive
01 07 62
Sept. 6, 2007
2015997
Vehicle Information
Condition
Update Programming, TCM, Harsh Downshift After Extended Highway Driving
Customer may experience a harsh downshift in gears 5-4 when slowing to a stop after extended highway / long distance driving.
Technical Background
Internal transmission pressure decrease in C1 clutch due to accumulated air in the C1 oil circuit.
Updated Transmission Control Module (TCM) software addresses:
Harsh 5-4 Downshift After Extended Highway Driving
Production Solution
Updated transmission control module software.
Service
Check TCM software level using the VAS 5051/5052.
Tip:
If the update programming button does not appear, the latest version has already been installed.
Note:
If software level is equal to or above updated software level noted in Updated Transmission Control Module Software table, DO NOT continue with
this technical bulletin, contact technical assistance by selecting the
"Technical Assistance" tab in ElsaWeb and follow the instructions to obtain a 6 digit pin.
Update TCM program following the procedure below.
Transmission "Update - Programming" (flashing), Performing
Tip:
When performing the update programming procedure, ALL DTCs for all systems are erased. DTCs linked to Guided Fault Finding function tests will be
