Fault Effect Fuel Level Display Hangs With Reading Too High

27AE - P0461

Information saved in
DME

Fault code
27AE - P0461

Fault text
Implausible in-tank fuel level

Fault description


Condition for fault identification
Test condition:
No CAN error,
fuel level < K_FST_VOLeerlauf
Terminal condition: Engine running
Voltage condition:
none

Condition for fault memory entry
Following consumption of K_FST_VERBRAUCH sensor
value drops less than (K_FST_VERBRAUCH-
K_FST_ABWEICHUNG)

Action in service
1. Has vehicle been refueled multiple times from a fuel
canister?
2. Check fuel level sensor, replace as indicated

Fault effect and breakdown warning
Fuel level display hangs with reading too high

Driver information
Warning light:
No

Service instruction
none