2A9B
2A9B – P0366
Information saved in
DME
Fault code
2A9B – P0366
Fault text
Camshaft sensor, exhaust, signal
Fault description
Camshaft Position Sensor ‘B’ Circuit Range/Performance
(Bank 1)
Condition for fault identification
Test condition:
Engine turns over, synchronization with NWE fails
Terminal condition: Terminal 15 on
Voltage condition:
none
Condition for fault memory entry
On every camshaft flank when the flank was outside
tolerance. At engine start only.
Action in service
1. Check signal wire for short to positive, ground, open wire.
2. Replace camshaft sensor.
3. Check positions (valve timing setting) of camshaft
reluctors
4. Check timing chain and chain tensioner assembly.
5. Check VANOS solenoids for dirt and contamination
Fault effect and breakdown warning
Driver information
Warning light:
Nothing, as double fault is present
