2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts
none
P2090
2A85 – P2090
Information saved in
DME
Fault code
2A85 – P2090
Fault text
Exhaust VANOS, activation
Fault description
‘B’ Camshaft Position Actuator Control Circuit Low (Bank
1)
Condition for fault identification
Test condition:
Monitoring of VANOS control
Engine speed > 500 rpm
Terminal condition: Terminal 15, engine on
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
none
Action in service
1Check wiring
Repair if defective
If wiring is OK proceed
to check component
Fault effect and breakdown warning
