2004 Cadillac Seville SLS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Cadillac Seville SLS
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2004 Cadillac Seville SLS ProblemsImproper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
The engine may develop an oil leak from the lower crankcase portion of the engine block. Our technicians tell us that the engine must be removed from the vehicle to properly repair this oil leak.
2004 Cadillac Seville SLS Questionswhy don't high beams don't work (1 answer)
I can flash high beams when I pull back on turn signal, but won't remain on when I push it.
code say speed sensor low voltage