DTC P2122 GMC

Ride Height Air Pump Control - Circuit Open

Ride Height Air Pump Control - Circuit Open

Description

When the Air Suspension Control Module (ASCM) detects an open relay or circuit while the ignition is in the Run position.

Cause and Solution

AIR SUSPENSION RELAYCOMPRESSOR RELAY SIGNAL CIRCUIT OPEN OR HIGH RESISTANCECOMPRESSOR RELAY RETURN CIRCUIT OPEN OR HIGH RESISTANCECOMPRESSOR RELAY RETURN CIRCUIT SHORTED TO GROUNDCOMPRESSOR RELAY SIGNAL CIRCUIT SHORTED TO COMPRESSOR RELAY RETURN CIRCUITAIR SUSPENSION CONTROL MODULE (ASCM)

Video Guide

Duration: PT4M22S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P2122
  • Brand: GMC
Back to Blog