P157A

2B18 - P157A

Information saved in
DME

Fault code
2B18 - P157A

Fault text
Throttle-valve adaptation, bank 2

Fault description
Throttle Valve Adaptation Range Monitoring Error (Bank 2)

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 DKG2 and DME,
3. Check throttle valve adjustment
4. Check installation of DKG2

Fault effect and breakdown warning
Possibly incorrect WDK data, and charge plausibility or pot
comparison error

Driver information
Warning light:
none

Service instruction
none