AL Output Stage Bank 2 Fault
Cause Corrective action
Fault message of power output
stage, cylinder bank B
1. Check LOP visually (→ Page 223).
2. Perform LOP test procedures (→ Page 225).
3. Check ECU plug-in connections (→ Page 218).
4. Check engine wiring (→ Page 214).
5. Contact Service.
• have ECU checked and replaced, if required.
AL Gear Control Fail GCU
Cause Corrective action
GCU fault. u Contact Service.
• Have GCU solenoid checked and replaced, if required.
• Have GCU wiring checked and replaced, if required .
AL Gear Oil Filter Clogged
Cause Corrective action
Gear oil filter clogged. u Clean gear-oil filter and replace, if required (see gearbox
documentation).
AL Override Activated
Cause Corrective action
Safety system override is active. u Status message:
• Override activated.
AL Power Failure Control
Cause Corrective action
Power failure of control system. u Check power circuit breakers and fuses.
AL Power Failure Monitoring
Cause Corrective action
Power failure. u Check power circuit breakers and fuses.
AL Transistor Output 1/2 Fail
Cause Corrective action
One of the ECU 4 transistor
outputs (TAA1 or TAA2)
defective.
u Contact Service.
• have ECU checked and replaced, if required.
AL Transistor Output 3/4 Fail
Cause Corrective action
One of the ECU 4 transistor
outputs (TAA3 or TAA4)
defective.
u Contact Service.
• have ECU checked and replaced, if required.
122 | Troubleshooting | MW15406/17E 2014-05
TIM-ID: 0000042361 - 001
To Next Page
Loading...
