C0590 GMC - Right Rear Actuator Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Right Rear Actuator
  • Right Rear Actuator harness is open or shorted
  • Right Rear Actuator circuit poor electrical connection

Tech notes

- C0590 01: Right Rear Actuator Circuit Short to Battery
- C0590 02: Right Rear Actuator Circuit Short to Ground
- C0590 04: Right Rear Actuator Circuit Open

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C0590 Gmc Description

The Electronic Suspension Control Module (ESCM) commands the damper solenoid ON and OFF. When the solenoid is initially energized, the supply voltage is then Pulse Width Modulated (PWM). The amount the solenoid is activated is based on inputs from the driver tow/haul switch, road inputs, position sensor inputs, and the Powertrain Control Module (PCM). The ESCM continuously compares each dampers command state with the state of their feedback circuits to ensure they agree.
OBDII Code C0590 Gmc - Right Rear Actuator Circuit - AutoCodes.com

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C0590 GMC Comments

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