Diagnostic Trouble Code (DTC) Information

2010 Volvo XC70 AWD L6-3.2L VIN 96 B6324S2SECTION Diagnostic Trouble Code (DTC) Information





Diagnostic trouble code (DTC) information CCM-B108609

Condition
The climate control module (CCM) communicates with the damper motor module (DMM) air distribution via LIN-bus 1. The damper motor module (DMM) transmits information to the climate control module (CCM) about status.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Damper motor module (DMM) air distribution has a malfunction.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position I and II.





Substitute value
- None.

Possible source
- Internal fault in the Damper motor module (DMM) air distribution.
- Incorrect calibration due to loss of power.

Fault symptom[s]
- Air flow problem

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.