27B8 - P0691 (DME)

27B8 - P0691

Information saved in
DME

Fault code
27B8 - P0691

Fault text
Electric fan, activation, electrical diagnosis

Fault description


Condition for fault identification
Test condition:
Fan type must be recognized
Terminal condition: Terminal 87
Voltage condition:
ub > K_DIAG_TR_Plus_Min

Condition for fault memory entry
ATIC39 diagnosis message

Action in service
1. Check plug and wiring harness on electric fan
2. Check signal wire wiring harness at DME
3. Replace electric fan

Fault effect and breakdown warning
Fan has failed
Constant rise in engine temperature leading to CC message

Driver information
Warning light:
No

Service instruction
none