P1554
2A98 – P1554
Information saved in
DME
Fault code
2A98 – P1554
Fault text
Crankshaft – inlet camshaft, correlation
Fault description
Engine Position System ‘A’ Performance (Bank 1)
Condition for fault identification
Test condition:
NWE synchronous, adaptation enabled
Terminal condition: Terminal 15 on
Voltage condition:
none
238
Condition for fault memory entry
On each camshaft tooth flank when the position is out of
tolerance.
Action in service
1. Check position (valve timing setting) of camshaft and
reluctor
2. Check timing chain and tensioner mechanism.
3. Check VANOS solenoid for dirt and contamiantion
4. Check torque on crankshaft center bolt
Fault effect and breakdown warning
Driver information
Warning light:
MIL 2nd DC,
CAM operates in emergency default mode
