Ride Height Pressure Vent Control
Table of contents
C155E RAM Possible Causes
- Faulty Air Suspension Solenoid Assembly
- Air Suspension Solenoid Assembly harness is open or shorted
- Air Suspension Solenoid Assembly circuit poor electrical connection
- Faulty Air Suspension Control Module (ASCM)
How do I fix code C155E RAM?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- C155E-11-RIDE HEIGHT PRESSURE VENT CONTROL – CIRCUIT SHORT TO GROUND
- C155E-12-RIDE HEIGHT PRESSURE VENT CONTROL – CIRCUIT SHORT TO BATTERY
- C155E-13-RIDE HEIGHT PRESSURE VENT CONTROL – CIRCUIT OPEN
- C155E-92-RIDE HEIGHT PRESSURE VENT CONTROL – PERFORMANCE OR INCORRECT OPERATION (OVERUSE DTC)
- C155E-96-RIDE HEIGHT PRESSURE VENT CONTROL – COMPONENT INTERNAL FAILURE
Cost of diagnosing the C155E RAM code
The cost of diagnosing the C155E RAM code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C155E RAM Description
The Air Suspension Control Module (ASCM) monitors the Air Suspension Solenoid. The ASCM sets the OBDII code when the ASCM detects the valve control circuit is shorted to ground while the ignition is in the Run position.