Operation CHARM: Car repair manuals for everyone.

With Manufacturer's Scan Tool




Transmission Driving Range Signal, Checking

Vehicles with automatic transmission only
The engine control module receives the following information from the transmission control module:
- Driving range selected (selector lever in 1/2/3/R/D) or
- No driving range selected (selector lever in P or N)

Special tools and equipment
- VAG1551 Scan Tool (ST) or VAG1552 mobile scan tool with VAG1551/3 adapter cable
- VAG1598/31 test box
- Multimeter (Fluke 83 or equivalent)
- VW1594 adapter set
- Wiring diagram

Test conditions
- Automatic transmission selector lever in "P" or "N" position
- Air conditioner switched off

Test sequence
- Connect VAG1551 (VAG1552) Scan Tool (ST).
- Switch ignition on and press buttons -0- and -1- to insert "Engine Electronics" address word 01.

Indicated on display


Rapid data transfer HELP
Select function XX



- Press buttons -0- and -8- to select "Read Measuring Value Block" function 08 and press -0- button to confirm input.

Indicated on display


Read Measuring Value Block
Input display group number XXX



- Press buttons -0-, -5- and -1- to input display group number 51 (051) and press -Q- button to confirm input.

Indicated on display: (1-4 display fields)


Read Measuring Value Block 51 ->
1 2 3 4



- Check specified values in display field 3:







If the specified values are not obtained:
- Press button.
- Press buttons -0- and -6- to select "End Output' function 06 and press -0- button to confirm input.
- Switch ignition off.

Continuation

If the specified values are not obtained:
- Press -> button.
- Press buttons -0- and -6- to select "End Output" function 06 and press -0- button to confirm input.
- Switch ignition off.
- Check CAN-Bus. CAN-Bus, Checking