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ABS failure/Tech 2 diagnosis question Posted by Dano in Texas [Email] ![]() ![]() |
2004 9-5 Aero wagon 79,800 miles
Can Tech 2 detect a wheel sensor failure from the cars memory or do the ABS/TCS fault lights have to be illuminated with engine running to detect fault?
The reason I ask is I am again starting to get intermittent ABS/TCS failure usually a few minutes after start-up but occasionally when underway. The fault will disappear by shutting down and restating the engine. I had similar symptoms around 70,000 miles and removed and sent off my Bosch ABS unit to BBS-reman for rebuild. That did not help the situation and I took the car to the dealer when the fault lights were on , left the engine running while they connected Tech 2 and they diagnosed and replaced the R/R wheel speed sensor. That fixed the problem for 8,000 miles but now the same symptoms are reoccurring. I'm planning on taking it back to the dealer to diagnose with Tech 2. Will Tech 2 detect the fault anytime or only when the ABS/TCS fault lights are illuminated?
posted by 75.1.181...
_______________________________________ 2015,5 Volvo V60CC T5 2014 Volvo S60 T5 2003 9-5 Aero Sedan (sold) 2004 9-5 Aero Wagon (sold) 1996 NG900 (sold) 1989 900 (donated)
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