Question about 2001 Volvo V70
I HIT A BUMP MY ABS ,BRAKE, LIGHT CAME ON+ CHECK ENGINE. SPEEDOMETER STOPPED ,CRUISE CONTROL QUIT, THEN THE SHIFT LIGHT STARTED TO BLINK. WHEN I STOPPED IT WENT INTO LIMP MODE. IT SEEM LIKE SOMETHINGS LOOSE BUT I CANT FIND THE ABS,SPEED SENSOR CONTROL,ITS CRAZY ALLTHE LIGHTS WERE OFF ,I BACKED THE CAR UP ON A RAMP TO C IF I COULD FIND A LOOSE WIREOR SOMETHING AND WHEN I TOOK IT DOWN THE CAR BOUNCED A LIL AND IT HAPPENED AGAIN.
Sounds like your car doesn't like bumps!
The abs control modules on these fail regularly due to breaks in the circuit board solder joints. It could be that hitting the bump make the fault occur. There are places that will repair them, however you will need to remove it, or have it removed and send it to them to fix it, or you can replace it.
Either way, you'll need to get the problem diagnosed first., starting by reading out the faults in all the systems. The transmission, cruise control and speedometer all rely on a vehicle speed sensor signal from the abs module, so that is why so many systems are affected.
Posted on Nov 23, 2008
Listen to Bret he has it right.
35 year master tech
Posted on May 01, 2015
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Posted on Jan 02, 2017
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