2B17 - P156A (DME)

2B17 - P156A

Information saved in
DME

Fault code
2B17 - P156A

Fault text
Throttle-valve adaptation, bank 1

Fault description
Throttle Valve Adaptation Range Monitoring Error (Bank 1)

Condition for fault identification
Test condition:
WDK too small/large
Terminal condition: TERM87
Voltage condition:
Battery voltage > 9V (k_egas_stm_dk_np_ub)

Condition for fault memory entry
100 ms

Action in service
1. Clear fault memory, conduct EDR electronic throttle
valve control system test,
2. Check plug and wiring harness at DKG1 and DME,
3. Check throttle valve adjustment
4. Check installation of DKG1

Fault effect and breakdown warning
Possible incorrect WDK data, with charge plausibility or pot
comparison error, otherwise cannot be perceived by driver

Driver information
Warning light:
none

Service instruction
none