Wednesday, July 24, 2019

2A98 - P1554

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction



none









2A98



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









Condition for fault memory entry



On each camshaft tooth flank when the position is out of tolerance.









Action in service



Check position (valve timing setting) of camshaft and reluctor



Check timing chain and tensioner mechanism.



Check VANOS solenoid for dirt and contamiantion



Check torque on crankshaft center bolt







Fault effect and breakdown warning Driver information



Warning light:





MIL 2nd DC,





CAM operates in emergency default mode

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