Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
NOTE:
Before proceeding with this diagnostic procedure, verify the Left and Right Multifunction Switch and Clockspring harness connectors are properly seated and verify proper pin terminal tension. A loose connection at any of these connectors may cause this DTC to set.
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2.
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
(A909) FUSED B (+) CIRCUIT OPEN

Fig 1: Checking Fused B (+) Circuit Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Right Steering Wheel Switch harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (A909) Fused B (+) circuit.
  Is the voltage above 10.0 volts?
  
  Yes
  - Go To 3.
  No
  - Using the Wiring Information as a guide, repair the (A909) Fused B (+) circuit for an open. Inspect the related fuse. If the fuse is open, check the circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
(Z911) GROUND CIRCUIT OPEN

Fig 2: Checking Ground Circuit Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance between ground and the (Z911) Ground circuit at the Right Steering Wheel Switch harness connector.
  Is the resistance below 10K Ohms?
  
  Yes
  - Go To 4.
  No
  - Using the Wiring Information as a guide, repair the (Z911) Ground circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
RIGHT STEERING WHEEL SWITCH

Fig 3: Right Steering Wheel Switch Connector End View
Courtesy of CHRYSLER LLC
1. Turn the ignition on.
2. Measure the voltage of the (D506) LIN BUS circuit at the Right Steering Wheel Switch harness connector.
  Is the voltage above 5 volts?
  
  Yes
  - Replace the Right Steering Wheel Switch in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
  No
  - Go To 5.
(D506) LIN BUS CIRCUIT OPEN BETWEEN THE CLOCKSPRING AND RIGHT STEERING WHEEL SWITCH

Fig 4: Checking LIN Bus Circuit Open Between Clockspring & Right Steering Wheel Switch
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Clockspring C8 harness connector.
3. Measure the resistance of the (D506) LIN BUS circuit between the Clockspring C8 and Right Steering Wheel Switch harness connectors.
  Is the resistance below 10K Ohms?
  
  Yes
  - Go To 6.
  No
  - Repair the (D506) LIN BUS circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
CLOCKSPRING

Fig 5: Clockspring Connector End View
Courtesy of CHRYSLER LLC
1. Disconnect the Clockspring C2 harness connector.
2. Turn the ignition on.
3. Measure the voltage of the (D506) LIN BUS circuit at the Clockspring C2 harness connector.
  Is the voltage above 5 volts?
  
  Yes
  - Replace the Clockspring in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
  No
  - Go To 7.
(D506) LIN BUS CIRCUIT OPEN BETWEEN THE CLUSTER AND THE CLOCKSPRING

Fig 6: Checking LIN Bus Circuit Open Between The Cluster And The Clockspring
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Cluster C3 harness connector.
3. Measure the resistance of the (D506) LIN BUS circuit between the Clockspring C2 and Cluster C3 harness connectors.
  Is the resistance below 10K Ohms?
  
  Yes
  - Replace the Cluster in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.
  No
  - Repair the (D506) LIN BUS circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500.