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HOMESERVICE MANUALSJEEP2008COMPASS LIMITED, AWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO SYSTEM & VIDEO SYSTEM - ELECTRICAL DIAGNOSTICSAUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1402-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGHDIAGNOSTIC TEST
2008 Jeep Compass Limited, AWD, Standard

Diagnostic Test

2008 Jeep Compass Limited, AWD, StandardSECTION Diagnostic Test
  1. INTERMITTENT CONDITION 

    Turn the ignition on, then off, and then on again.

    With the scan tool, read Radio DTCs.

    Does the scan tool display active: B1402-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 

    Yes 

    1. Go To  2.

    No 

    1. The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
    2. Perform BODY VERIFICATION TEST - VER 1 .
  2. CHECK FOR VOLTAGE ON THE (X201) SPEAKER (+) CIRCUIT 
    Fig 1: Measuring For Voltage On (X201) Speaker (+) Circuit
    GC0041248Courtesy of CHRYSLER LLC

    Turn the ignition off.

    Disconnect the Radio C1 harness connector.

    Disconnect the Left Front Speaker harness connector.

    Measure for voltage on the (X201) Speaker (+) circuit.

    Is the voltage above 10.0 volts? 

    Yes 

    1. Repair the (X201) Speaker (+) circuit for a short to voltage.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Go To  3.
  3. CHECK FOR VOLTAGE ON THE (X291) SPEAKER (-) CIRCUIT 
    Fig 2: Measuring For Voltage On (X291) Speaker (-) Circuit
    GC0041247Courtesy of CHRYSLER LLC

    Measure for voltage on the (X291) Speaker (-) circuit.

    Is the voltage above 10.0 volts? 

    Yes 

    1. Repair the (X291) Speaker (-) circuit for a short to voltage.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Replace the radio in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1 .
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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.