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Pinpoint Test D : Damper Solenoid Electrical Faults

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. Refer to Vehicle Dynamic Suspension for schematic and connector information.

    Normal Operation and Fault Conditions 

    The VDM sends a variable voltage to the damper solenoids based on sensor input and HS-CAN messages. The VDM continually monitors the damper solenoid circuits and sets a DTC when a circuit fault is detected. A shorted or open damper solenoid also causes the VDM to set a DTC.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    VDM C110C:11 Left Front Damper Solenoid: Circuit Short To Ground This DTC sets in continuous memory when the VDM detects a short to ground on one or both of the damper solenoid circuits for longer than 3 seconds.
    VDM C110D:11 Right Front Damper Solenoid: Circuit Short To Ground This DTC sets in continuous memory when the VDM detects a short to ground on one or both of the damper solenoid circuits for longer than 3 seconds.
    VDM C110E:11 Left Rear Damper Solenoid: Circuit Short To Ground This DTC sets in continuous memory when the VDM detects a short to ground on one or both of the damper solenoid circuits for longer than 3 seconds.
    VDM C110F:11 Right Rear Damper Solenoid: Circuit Short To Ground This DTC sets in continuous memory when the VDM detects a short to ground on one or both of the damper solenoid circuits for longer than 3 seconds.
    VDM C110C:12 Left Front Damper Solenoid: Circuit Short To Battery This DTC sets in continuous memory when the VDM detects a short to battery voltage on one or both of the damper solenoid circuits for longer than 3 seconds
    VDM C110D:12 Right Front Damper Solenoid: Circuit Short To Battery This DTC sets in continuous memory when the VDM detects a short to battery voltage on one or both of the damper solenoid circuits for longer than 3 seconds
    VDM C110E:12 Left Rear Damper Solenoid: Circuit Short To Battery This DTC sets in continuous memory when the VDM detects a short to battery voltage on one or both of the damper solenoid circuits for longer than 3 seconds
    VDM C110F:12 Right Rear Damper Solenoid: Circuit Short To Battery This DTC sets in continuous memory when the VDM detects a short to battery voltage on one or both of the damper solenoid circuits for longer than 3 seconds
    VDM C110C:13 Left Front Damper Solenoid: Circuit Open This DTC sets in continuous memory when the VDM detects an open circuit on one or both of the damper solenoid circuits for longer than 3 seconds.
    VDM C110D:13 Right Front Damper Solenoid: Circuit Open This DTC sets in continuous memory when the VDM detects an open circuit on one or both of the damper solenoid circuits for longer than 3 seconds.
    VDM C110E:13 Left Rear Damper Solenoid: Circuit Open This DTC sets in continuous memory when the VDM detects an open circuit on one or both of the damper solenoid circuits for longer than 3 seconds.
    VDM C110F:13 Right Rear Damper Solenoid: Circuit Open This DTC sets in continuous memory when the VDM detects an open circuit on one or both of the damper solenoid circuits for longer than 3 seconds.

    Possible Sources 

    • Wiring, terminals or connectors
    • Shock or Strut (valve solenoid is serviced as an assembly with the shock or strut)
    • VDM

    Visual Inspection and Pre-checks 

    • Make sure the valve solenoid harness is routed correctly and is undamaged.
    • Make sure the valve solenoid electrical connector is free from any corrosion or other contaminants.

  2. NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may cause damage to the connector.

  3. D1 CHECK THE VDM (VEHICLE DYNAMICS CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

    • Using a diagnostic scan tool, carry out the VDM self-test.

    Is DTC C110C:11, C110D:11, C110E:11 or C110F:11 present? 

    Yes  GO to  D2
    No  If DTC C110C:12, C110D:12, C110E:12 or C110F:12 is present, GO to  D3 If DTC C110C:13, C110D:13, C110E:13 or C110F:13 is present, GO to  D4 For all other VDM Diagnostic Trouble Codes (DTCs), GO to DTC Chart: Vehicle Dynamics Control Module (VDM) .

  4. D2 CHECK THE DAMPER SOLENOID CIRCUITS FOR A SHORT TO GROUND

    • Ignition OFF.

    • Disconnect VDM C4396A.

    • Disconnect VDM C4396B.

    • Disconnect the suspect damper solenoid valve electrical connector.

    • For the left front damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396A-7
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 Ground
      C4396A-8
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 Ground

    • For the right front damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396A-9
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 Ground
      C4396A-10
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 Ground

    • For the left rear damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396B-3
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 Ground
      C4396B-4
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 Ground

    • For the right rear damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396B-1
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 Ground
      C4396B-2
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  D5
    No  REPAIR the circuit.

  5. D3 CHECK THE DAMPER SOLENOID CIRCUITS FOR A SHORT TO BATTERY

    • Ignition OFF.

    • Disconnect VDM C4396A.

    • Disconnect VDM C4396B.

    • Disconnect the suspect damper solenoid valve electrical connector.

    • Ignition ON.

    • For the left front damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396A-7
      GFD457861Courtesy of FORD MOTOR COMPANY
      		 Ground
      C4396A-8
      GFD457861Courtesy of FORD MOTOR COMPANY
      		 Ground

    • For the right front damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396A-9
      GFD457861Courtesy of FORD MOTOR COMPANY
      		 Ground
      C4396A-10
      GFD457861Courtesy of FORD MOTOR COMPANY
      		 Ground

    • For the left rear damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396B-3
      GFD457861Courtesy of FORD MOTOR COMPANY
      		 Ground
      C4396B-4
      GFD457861Courtesy of FORD MOTOR COMPANY
      		 Ground

    • For the right rear damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396B-1
      GFD457861Courtesy of FORD MOTOR COMPANY
      		 Ground
      C4396B-2
      GFD457861Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the circuit.
    No  GO to  D5

  6. D4 CHECK THE DAMPER SOLENOID CIRCUITS FOR AN OPEN

    • Ignition OFF.

    • Disconnect VDM C4396A.

    • Disconnect VDM C4396B.

    • Disconnect the suspect damper solenoid valve electrical connector.

    • For the left front damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396A-8
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C1668-2
      C4396A-7
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C1668-1

    • For the right front damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396A-9
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C1669-1
      C4396A-10
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C1669-2

    • For the left rear damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396B-3
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C3655-1
      C4396B-4
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C3655-2

    • For the right rear damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C4396B-2
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C3656-2
      C4396B-1
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C3656-1

    Are the resistances less than 5 ohms? 

    Yes  GO to  D5
    No  REPAIR the circuit.

  7. D5 CHECK THE DAMPER SOLENOID CIRCUITS FOR A SHORT TOGETHER

    • Ignition OFF.

    • For the left front damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C1668-1
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C1668-2

    • For the right front damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C1669-1
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C1669-2

    • For the left rear damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C3655-1
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C3655-2

    • For the right rear damper solenoid, measure:
      Positive Lead Measurement / Action Negative Lead
      C3656-1
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C3656-2

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  D6
    No  REPAIR the circuit.

  8. D6 CHECK THE DAMPER SOLENOID RESISTANCE

    • Ignition OFF.

    • For the left front damper solenoid, measure the component side  resistance:
      Positive Lead Measurement / Action Negative Lead
      C1668-1 component side 
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C1668-2 component side 

    • For the right front damper solenoid, measure the component side  resistance:
      Positive Lead Measurement / Action Negative Lead
      C1669-1 component side 
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C1669-2 component side 

    • For the left rear damper solenoid, measure the component side  resistance:
      Positive Lead Measurement / Action Negative Lead
      C3655-1 component side 
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C3655-2 component side 

    • For the right rear damper solenoid, measure the component side  resistance:
      Positive Lead Measurement / Action Negative Lead
      C3656-1 component side 
      GFD457865Courtesy of FORD MOTOR COMPANY
      		 C3656-2 component side 

    Is the resistance between 2.8 and 4.5 ohms? 

    Yes  GO to  D7
    No  INSTALL a new front or rear damper solenoid and wiring assembly. REFER to: Front Shock Absorber Solenoid - Raptor . REFER to: Rear Shock Absorber Solenoid - Raptor .

  9. D7 VERIFY ALL WIRING CONNECTIONS

    • Ignition OFF.

    • Disconnect VDM C4396A and C4396B (if not previously disconnected).

    • Disconnect the suspect damper solenoid valve electrical connector (if not previously disconnected).

    • Using a good light source, inspect all disconnected electrical connectors for the following:

      • corrosion - install new connector or terminal and clean the module pins
      • damaged or bent pins - install new terminals or pins
      • pushed-out pins - install new pins as necessary
      • spread terminals - install new terminals as necessary

    Are the connectors free of corrosion, damaged pins, bent pins, pushed-out pins and spread terminals? 

    Yes  GO to  D8
    No  REPAIR the connector or terminals. Refer to Connector Repair Procedures for schematic and connector information.

  10. D8 CHECK FOR CORRECT VDM (VEHICLE DYNAMICS CONTROL MODULE) OPERATION

    • Connect the suspect damper solenoid valve electrical connector. Make sure it seats and latches correctly.

    • Connect VDM C4396A and C4396B. Make sure they seat and latch correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no Technical Service Bulletins (TSBs) exist for this concern, INSTALL a new VDM module. REFER to:
    Vehicle Dynamics Control Module (VDM) 
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
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