DTC B147E Dodge

Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1)

Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1)

Description

Engine started; system voltage over 10.0v, AIR relay commanded on and off, and the PCM detected an unexpected voltage condition on the relay control circuit for 30 seconds.

Cause and Solution

AIR relay control circuit is open, shorted to ground or powerAIR relay control circuit is shorted to system power (B+)AIR relay power circuit is open (test power from IGN fuse)AIR relay is damaged or has failedPCM has failed

Video Guide

Duration: PT4M13S | Uploaded: 2020-07-14

Diagnostic Info

  • DTC Code: B147E
  • Brand: Dodge
Back to Blog