Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Read Measuring Value Block (function 08)
The input signals and voltages necessary for the function of the steering wheel electronics are continuously monitored by the On Board Diagnostic (OBD).
The measurement block is divided into 4 display group numbers. The assignment of the individual channels can be found in the display group overview. Refer to Display Group 001 .
- Connect VAG 1551 Scan Tool, select operating mode 1 "Rapid data transfer", switch ignition on and input address word 16 "Steering wheel electronics".
After displaying the control module identification:
| Rapid data transfer HELP Select function XX |
Indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block" function 08.
| Rapid data transfer Q 08 - Read Measuring Value Block |
Indicated on display
- Press -Q- button to confirm input.
| Read Measuring Value Block HELP Input display group number XXX |
Indicated on display
The following example uses display group number 001
- Press buttons -0-, -0- and -1- to select "Display group number 1" and confirm entry with -Q- button.
- Indicated on display (1 to 4 = display fields)
Proceed as follows to change to another display group:
| Display group | VAG 1551 | VAG 1552 |
| Higher | Press -3- button | Press ↑ button |
| Lower | Press -1- button | Press ↓ button |
| Jump | Press -C- button | Press -C- button |
After the -C- button is pressed, the following appears:
| Read Measuring Value Block HELP Input display group number XXX |
Indicated on display
- Input desired display group number.
- The actual values of the senders and sensors are always shown on the display.
- Other display groups are possible but are not needed here for troubleshooting.
- With the printer switched on, the current display will be printed out.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.