Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSDODGE AND RAM2013JOURNEY CREW, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTINFOTAINMENTTELEMATICS GATEWAY MODULE - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1408-2B-REAR LEFT AUDIO SPEAKER OUTPUT - CIRCUIT SHORTED TOGETHER- PREMIUMDIAGNOSTIC TEST

2013 Dodge and Ram Journey Crew, AWD

Diagnostic Test

2013 Dodge and Ram Journey Crew, AWDSECTION Diagnostic Test

CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on and open one of the Rear doors.
  NOTE:
  A front door must remain open whenever checking or erasing TGW DTCs.
2. Using the scan tool, record and erase the TGW DTCs.
3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. Turn the Radio on and set the volume to 25.
5. Adjust the speakers to the Rear and center.
6. Using the scan tool, read the active TGW DTCs.
  Does the scan tool display active: B1408-2B REAR LEFT AUDIO SPEAKER OUTPUT- CIRCUIT SHORTED TOGETHER?
  
  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.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE AMPLIFIER

Fig 1: Amplifier Connector End View
Courtesy of CHRYSLER GROUP, LLC
1. Make sure one of the front doors is still open.
2. Using the scan tool, erase the DTCs.
3. Turn the ignition off.
4. Disconnect the Amplifier harness connector.
5. Turn the ignition on.
6. Turn the radio on and set the volume to 25.
7. Using the scan tool, read the active TGW DTCs.
  Does the scan tool display active: B1408-2B-REAR LEFT AUDIO SPEAKER OUTPUT - CIRCUIT SHORTED TOGETHER?
  
  Yes
  - Go To 3
  No
  - Replace the Amplifier in accordance with the Service Information. Refer to AMPLIFIER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (X51) LEFT REAR AUDIO (+) CIRCUIT, AND THE (X57) LEFT REAR AUDIO (-) CIRCUITS FOR A SHORT TOGETHER

Fig 2: Checking Left Rear Speaker (+) Circuit For Short To Left Rear Speaker (-) Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Disconnect the TGW harness connector.
2. Measure the resistance between the (X51) Left Rear Audio (+) circuit, and the (X57) Left Rear Audio (-) circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (X51) Left Rear Audio (+) circuit, and the (X57) Left Rear Audio (-) circuit for a short together.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the TGW in accordance with the Service Information. Refer to MODULE, TELEMATICS GATEWAY, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.