2AF9 - P3198 (DME)

2AF9 - P3198

Information saved in
DME

Fault code
2AF9 - P3198

Fault text
Coolant temperature sensor

Fault description
Engine Coolant Temperature 1 Gradient Too High

Condition for fault identification
Test condition:
Measured value gradient > 1 K/100 ms
(K_TMOT_DIAG_GRAD_MAX)
Terminal condition: none
Voltage condition:
none

Condition for fault memory entry
2000 ms

Action in service
1. Check plug and wiring harness,
2. Replace coolant temperature sensor

Fault effect and breakdown warning
MIL lamp comes on after engine runs 2x / idle may be high
for brief period after engine start

Driver information
Warning light:
MIL

Service instruction
none