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 V6-3.5L VIN GREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONB CODE CHARTSB140F
2007 Chrysler 300 V6-3.5L VIN G
B140F
2007 Chrysler 300 V6-3.5L VIN GSECTION B140F
B140F-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN
For a complete wiring diagram Refer to Diagrams/Electrical.
- When Monitored:
- With the Radio on.
- Set Condition:
- When the Output circuit is open for more than 3 seconds. The Radio will not set the fault if the radio confirms an amplifier is on the BUS.
Diagnostic Test
1.Intermittent Condition
Turn the ignition on.
With the Scan Tool, clear all Audio DTC's.
Turn the Radio on.
With the Scan Tool, read the DTC information.
Does the Scan Tool read: B140F-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?
Yes
- Go To 2
No
- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform the BODY VERIFICATION TEST VER 1. 2242167>
2.(X394) (X304) Speaker Output circuits.
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Rear Right Audio Speaker connector.
Measure the resistance of each speaker (X304)(+) and (X394)(-) circuit between the Radio and the Speaker.
Is the resistance below 5.0 ohms for each circuit?
Yes
- Go To 3
No
- Repair the applicable Output Speaker circuit for an open condition.
- Perform the BODY VERIFICATION TEST VER 1. 2242167>
3.Speaker
Turn the ignition off.
Disconnect the Rear Right Audio Speaker.
Turn the ignition on.
Turn the Radio on.
With the Scan Tool, clear all Audio DTC's.
With the Scan Tool, read the DTC information.
Does the Scan Tool read: B140F-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?
Yes
- Replace the Speaker.
- Perform the BODY VERIFICATION TEST VER 1. 2242167>
No
- Test Complete.
RENDER: 1.0x
NO RELATED
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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.