DTC P26AB Alfa Romeo
Engine Coolant Bypass Valve A Stuck
Engine Coolant Bypass Valve A Stuck
Description
The Powertrain Control Module (PCM) detects that the change in the Air Cooler (CAC) Temperature Sensor voltage signal is less than a calibrated threshold when the Coolant Bypass Valve commanded off (closed) for a calibrated period of time.
Cause and Solution
Low Coolant Level Or Air In Cooling System
Restriction In Cooling System Plumbing
Coolant Bypass Valve Mechanically Stuck Open
Video Guide
Diagnostic Info
- DTC Code: P26AB
- Brand: Alfa Romeo