What's the most common cause(s) for setting code P1870, TCC slipping?
1997 Bonneville SSE, 112,000 miles. Is it more likely to be electrical, hydraulic, or mechanical?
Thanks, Steve
What's the most common cause(s) for setting code P1870, TCC slipping?
Thanks, Steve
Valve body. I believe they had some problems in 1997.
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