DTC U02A9 Alfa Romeo

Lost Communication With Charge Air Cooler Coolant Pump

Lost Communication With Charge Air Cooler Coolant Pump

Description

The Powertrain Control Module (PCM) does not receive a LIN BUS message from the Charge Air Cooler Pump for 2.6 seconds.

Cause and Solution

Electric Coolant Pump Output Circuit Open
Electric Coolant Pump Output Circuit Shorted To Ground
Ground Circuit Open
Lin Bus Circuit Shorted To Voltage
Lin Bus Circuit Shorted To Ground
Lin Bus Circuit Open High Resistance
Charge Air Cooler Coolant Pump

Video Guide

Duration: PT4M6S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: U02A9
  • Brand: Alfa Romeo
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