2DDB

2DDB - P3215

Information saved in
DME

Fault code
2DDB - P3215

Fault text
No message from IHKA, DME receiver, IHKA transmitter

Fault description
CAN, IHKA automatic climate control: Signal error

Condition for fault identification
Test condition:
Check whether following CAN message is present:
Heat flow_AC
Terminal condition: 800 ms after Terminal 15
Voltage condition:
battery voltage >10 V

Condition for fault memory entry
5 sec.

Action in service
- Check bus + climate-control ECU
- Measure bus resistance
- Check wiring harness
=> Replace ECU as indicated

Fault effect and breakdown warning
none

Driver information
Warning light:
none

Service instruction
none