2A8F

2A8F - P0018

Information saved in
DME

Fault code
2A8F - P0018

Fault text
Inlet camshaft 2, tooth offset to crankshaft

Fault description
Crankshaft Position - Camshaft Position Correlation (Bank 2
Sensor A)

Condition for fault identification
Test condition:
One-Tooth-Off detection on bank 2 intake
(if OK: Vse2_adp delta for last driving cycle < 16�KW
(Dnwoto_mn/mn))
VANOS must be against travel stop, thus
Vse2_sprs=120�KW.
Terminal condition: KL_15 = true
Voltage condition:
none

Condition for fault memory entry
Entered immediately

Action in service
Test sequence (after each step stop to determine whether
fault is present):
1. If entry for corresponding camshaft sensor is present, start
by checking camshaft sensor
2. Check solenoid valve for contamination / inspect
terminals
3. Cross-change solenoid valves
4. Check/correct camshaft and valve timing and/or
alignment
5. Replace VANOS servo unit
6. Install new timing chain assembly (complete)

Fault effect and


breakdown warning

Driver information
Warning light:
US: Standard OBD fault; MIL on after 2 driving cycles,
transmits to scan tool; no EPCL; delete fault after 40 warm-
up cycles
ECE: AS US but no MIL

Service instruction
none