Hi, for a while now I have noticed that it can sometimes take a long time before the awd kicks in when my front tires are slipping. In addition, sometimes the awd won't engaged at all or will only do so intermittently. Sometime When accelerating from stand still I get a jolt coming from the back of the car, as if all of a sudden the awd had engaged, and today it wasn't just a jolt, but a succession on jolts as if i were going over a rumble strip. My car is a 2003 XC70 and from what I've read in the forums this car shouldn't be experiencing any torque steer or sleeping on acceleration. I usually drive like a grandpa so really I don't understand why the AWD drive system can't keep up. Anyway I recently had local shop give me a VIDA printout for all the stored error codes and this is what I got:
DEM-0006 Pump Faulty signal
DEM-0007 Hydraulic Pressure Faulty Signal
I also got these other codes:
BCM-0065 Stop (brake) lamp switch Signal outside its permitted range
CCM-00200 Air quality sensor signal low
CCM-E003 Configuration fault Faulty configuration
CCM-001F Air quality sensor Signal too high
CEM-8C15 Relay, front fog lamp Signal missing
DDM-0024 Mirror motor MX+ Signal to low
PDM-002B Mirror motor MC Signal too low
I don't know what the brake lamp code means or the mirror code since both work fine. The air quality sensor I don't care about
Thanks in advance for any advice!
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