LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2020 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Amplifier (Amp) - DTCS B143B-11 To B147E-12 - 2500HD & 3500HD) >> DTC Troubleshooting >> B1474-92-Channel 5 Audio Speaker Output-Performance Or Incorrect Operation >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN 

  1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
  2. NOTE: The Radio must be on. 

    NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. 

  3. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
  4. With the scan tool, erase all DTCs.
  5. Turn the ignition off for a minimum of 10.0 seconds.
  6. Turn the ignition on.
  7. Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
  8. With the scan tool, read DTCs.
NOTE:

Make sure the Radio is turned on.

NOTE:

A front door must remain open whenever checking or erasing Amplifier DTCs.

Did the DTC return?

Yes 

No