Case IH 15939 - 04 - CSM – Cab Suspension Module (CSM): Cab suspension left valve - cab suspension left valve voltage low

The controller is detecting insufficient voltage on the circuit operating the left cab suspension valve, indicating a voltage that is below normal or shorted to a low source.

• MAGNUM AFS Connect
• AFS Connect Magnum 180
• AFS Connect Magnum 200
• AFS Connect Magnum 220
• AFS Connect Magnum 240
• AFS Connect Magnum 250
• AFS Connect Magnum 280
• AFS Connect Magnum 310
• AFS Connect Magnum 340
• AFS Connect Magnum 380

1. 1

   Check the wiring harness between the Cab Suspension Module (CSM) and the left cab suspension valve for chafing, shorts to ground, or disconnected pins.

1. 1

   Inspect wiring harness

   Perform wiring and voltage checks on the circuit between the Cab Suspension Module (CSM) and the left cab suspension valve.

2. 2

   Repair or replace wiring

   Repair or replace the wiring harness if chafing, shorts to ground, or disconnected pins are found.

3. 3

   Replace valve coil

   If the wiring harness is intact and providing the correct voltage, replace the cab suspension valve coil as it may have failed internally.