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 MANUALSCHRYSLER2007300 V6-2.7L VIN RREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONB CODE CHARTSB1463
2007 Chrysler 300 V6-2.7L VIN R
B1463
2007 Chrysler 300 V6-2.7L VIN RSECTION B1463
B1463-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT OPEN
For a complete wiring diagram Refer to Diagrams/Electrical.
- When Monitored:
- Amplifier Bus wake-up. Amplifier reset with scan tool.
- Set Condition:
- The Amplifier detects an open condition on the speaker output circuit.
Diagnostic Test
1.CHECK FOR AN INTERMITTENT CONDITION
Turn the ignition on.
Turn the radio on.
With the scan tool, erase Amplifier DTCs.
With the scan tool, reset the amplifier.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B1463-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT OPEN?
Yes
- Go To 2
No
- 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.
- Perform BODY VERIFICATION TEST VER-1. 2242167>
2.CHECK THE OPERATION OF THE LEFT FRONT I/P SPEAKER
Disconnect the Left I/P Speaker harness connector.
Turn the radio on and turn the volume to mid level.
With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Left I/P Speaker circuits in the Amplified Left I/P Speaker harness connector.
Is the voltage present greater than 1 volt?
Yes
- Replace the Amplified Left I/P Speaker.
- Perform BODY VERIFICATION TEST VER-1. Body Verification Test
No
- Go To 3
3.CHECK THE (X209) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT FOR AN OPEN
Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Measure the resistance of the (X209) Amplified Left I/P Speaker (+) circuit between the Amplifier C2 harness connector and the Amplified Left I/P Speaker harness connector.
Is the resistance below 5.0 ohms?
Yes
- Go To 4
No
- Repair the (X209) Amplified Left I/P Speaker (+) circuit for an open.
- Perform BODY VERIFICATION TEST VER-1. Body Verification Test
4.CHECK THE (X299) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUIT FOR AN OPEN
Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Measure the resistance of the (X299) Amplified Left I/P Speaker (-) circuit between the Amplifier C2 harness connector and the Amplified Left I/P Speaker harness connector.
Is the resistance below 5.0 ohms?
Yes
- Replace the Amplifier.
- Perform BODY VERIFICATION TEST VER-1. Body Verification Test
No
- Repair the (X299) Amplified Left I/P Speaker (-) circuit for an open.
- Perform BODY VERIFICATION TEST VER-1. Body Verification Test
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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.