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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control Module (CCM) Diagnostic Trouble Codes - 2 Of 2 >> CCM-Dd21: Lin Bus 2. Signal Too High/Signal Too Low (2005-2006) >> Signal too high / Signal too low >> Verification >> Verification

Signal too high / Signal too low: Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Connecting Connector
GLL101069Courtesy of VOLVO CARS OF NORTH AMERICA.

Has the status of the diagnostic trouble code (DTC) changed?