volvo v70 d5 erratic shift change by automatic transmission or ETM

Description

what's going on? volvo v70 d5 163hp. speed 70, automatic transmission keeps shifting 3rd and 4rth gears or erratic ETM? only happens on approx. 70 km/h speed and 1500-2000 rpm regular driving.

Keywords

volvo, v70, d5, 163

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