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.
AL Water in Fuel Prefilter
Cause
Corrective action
Water in fuel prefilter.
u
Drain fuel prefilter (→ Page 93).
56 | Troubleshooting | MW15409/04E 2015-08
TIM-ID: 0000042361 - 001
Summary of Contents for 12V2000M91
Page 1: ...Operating Instructions Diesel Engine 12V2000M91 16V2000M91 MW15409 04E...
Page 23: ...MW15409 04E 2015 08 General Information 23 TIM ID 0000002178 006...
Page 24: ...Lube oil system covers 24 General Information MW15409 04E 2015 08 TIM ID 0000002178 006...
Page 25: ...MW15409 04E 2015 08 General Information 25 TIM ID 0000002178 006...
