1D2402

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 activation of the program
map thermostat.

Condition for fault identification
Test condition:
The fault is recognized by the driver circuit's diagnostic
function.
Potential problem source(s):
- Defect in wiring harness between DME and program map
thermostat
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- Check wiring harness between DME and map-controlled
thermostat
- Replace map-controlled thermostat
- Replace DME

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
US: MIL on, customer proceeds to service facility.

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

Service instruction
None