Operation CHARM: Car repair manuals for everyone.

P0598

1D2402 - P0598

Information saved in
DME

Fault code
1D2402 - P0598

Fault text
Map thermostat, activation: short circuit to ground

Fault description
The diagnostic function monitors the electrical connection
between the DME and the map-controlled thermostat.

Condition for fault identification
Test condition:
The fault is recognized when a short circuit to ground is
present.
Potential problem source(s):
- Defect in wiring harness between DME and program map
thermostat
Terminal condition: Terminal 15
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- None
Time condition:
- 3 sec.
Other conditions:
- none

Condition for fault memory entry
This fault is logged in the control module's fault memory if
it remains present for longer than 10 sec.

Action in service
- Unplug map-controlled thermostat and check the wiring
harness

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- none

Driver information
Warning light:
- ECE emissions warning lamp: on
- US emissions warning lamp: on
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- none