Decoding OBD Codes P177B & P189A: Dual-Clutch Transmission Failures (Passive/Sporadic)
Facing OBD Codes P177B & P189A codes? Fix ‘Clutch 1 Tolerance Reached’ or ‘Clearance Too Small’ in DCTs/automated manuals. Learn symptoms (slipping, limp mode), causes, DIY diagnostics & critical repairs. OBD Code P177B P189A DCT ClutchFailure TransmissionRepair“ Understanding DTC P177B & P189A OBD-II codes P177B (Clutch 1 Tolerance Limit Reached) and P189A (Clutch 1 Clearance … Read more