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 MANUALSJEEP2009LIBERTY LIMITED, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO SYSTEM (RADIO) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOWDIAGNOSTIC TEST

2009 Jeep Liberty Limited, 4WD, Automatic

Diagnostic Test

2009 Jeep Liberty Limited, 4WD, AutomaticSECTION Diagnostic Test

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all Radio DTCs.
3. Turn the Radio on.
4. With the scan tool, read the DTC information.
  Does the scan tool read: B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?
  
  Yes
  - Go to step 2
  No
  - The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
(X205) LEFT REAR SPEAKER (+) CIRCUIT SHORTED TO GROUND

Fig 1: CHECKING LEFT REAR SPEAKER (+) CIRCUIT FOR SHORT TO GROUND
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Radio harness connector.
3. Disconnect the Rear Left Audio Speaker harness connector.
4. Measure the resistance between ground and the (X205) Left Rear Speaker (+) circuit.
  Is the resistance below 1000.0 Ohms?
  
  Yes
  - Repair the (X205) Left Rear Speaker (+) circuit for a short to ground condition.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 3
(X295) LEFT REAR SPEAKER (-) CIRCUIT SHORTED TO GROUND

Fig 2: CHECKING LEFT REAR SPEAKER (-) CIRCUIT FOR SHORT TO GROUND
Courtesy of CHRYSLER LLC
1. Measure the resistance between ground and the (X295) Left Rear Speaker (-) circuit.
  Is the resistance below 1000.0 Ohms?
  
  Yes
  - Repair the (X295) Left Rear Speaker (-) circuit for a short to ground condition.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 4
SPEAKER
1. Connect the Radio harness connector.
2. With the Rear Left Audio Speaker still disconnected, turn the ignition on.
3. Turn the Radio on.
4. With the scan tool, clear all Radio DTCs.
5. With the scan tool, read the DTC information.
  Does the scan tool read: B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?
  
  Yes
  - Replace the Rear Left Audio Speaker in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Test Complete.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 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.