Diagnostic Test

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

OTHER DTCS
NOTE:
The most likely causes of this DTC being set is for the operator of the vehicle to have one foot on the brake while driving or a misadjusted brake switch which is coming on intermittently.
1. Ignition on, engine not running.
2. With the scan tool, read DTCs.
  Are there DTCs for the accelerator pedal position sensors or brake switch present?
  
  Yes
  - Repair those DTCs before proceeding.
  No
  - Go To 2.
PEDAL POSITION SENSOR OR BRAKE SWITCH
1. Start the engine.
2. Use the scan tool to monitor accelerator pedal position.
3. Move throttle through a range of positions.
4. Also depress the brake pedal.
5. Monitor the brake position on the scan tool.
  Does the reported accelerator pedal position and brake position match actual position?
  
  Yes
  - Go To 3.
  No
  - Troubleshoot accelerator pedal position sensor or brake switch.
TWO FOOTED DRIVING
1. Inform the customer that driving the vehicle with both feet can cause this condition.
  Is the owner a two footed driver?
  
  Yes
  - Repair complete.
  No
  - Go To 4.
BRAKE SWITCH
1. Replace the brake switch.
2. Ignition on, engine not running.
3. With the scan tool, erase DTCs.
4. Test drive the vehicle.
5. With the scan tool, read DTCs.
  Did the DTC reset?
  
  Yes
  - Replace the Powertrain Control Module in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Repair complete.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .