P3215

2DDB - P3215

Information saved in
DME

Fault code
2DDB - P3215

Fault text
No message from IHKA

Fault description
CAN Message Monitoring IHKA (Automatic Heating and
Air Conditioning) No Signal

Condition for fault identification
Test condition:
No suspension of bus activity
Terminal condition: 800 ms after Terminal 15
Voltage condition:
battery voltage >10 V

Condition for fault memory entry
3 sec.

Action in service
- Check IHKA fuse
- Check bus and climate control ECU
- Measure resistance on bus
- Check wiring harness
=> Replace ECU as indicated

Fault effect and breakdown warning


Driver information
Warning light:
none

Service instruction
none