A/C - Heater Blower Start Delayed/A/C Display OFF

Heater blower starts up with delay after engine start/
A/C operating unit display off after engine start

Topic number L183.30-P-056219

Version 1

Design group 83.30 Air conditioning

Date 04-19-2013

Validity W/X 166 up to Year of Manufacture (YoM) 13/1 (vehicles
up to code 804 -> as of code 804 already in production)

Reason for change

Complaint:

- At engine start the display on the A/C operating unit is off and the blower is not actuated immediately. A/C operating unit and blower start up only after approx. 15 seconds.

The fault code A10D00 (The power supply is too low) is stored in the fault memory.

Cause:

- The 12 V output of the A/C operating unit is switched off.

Remedy:

Update software of air conditioning control unit (software available as of DVD 05/12)

Do not replace any components of the A/C as this will not remedy the issue!





Symptoms





Control unit/fault code