2A86 - P2091 (DME)

2A86 - P2091

Information saved in
DME

Fault code
2A86 - P2091

Fault text
Exhaust VANOS, activation 2

Fault description
'B' Camshaft Position Actuator Control Circuit High (Bank
1)

Condition for fault identification
Test condition:
VANOS control active
Terminal condition: Terminal 15, engine on
Voltage condition:
Voltage in onboard electrical system > 10 V

Condition for fault memory entry
Control deviation > 20�

Action in service
Check electrical wiring
Check VANOS valves/hydraulic system
Check camshaft signals

Fault effect and breakdown warning


Driver information
Warning light:
NO

Service instruction
none