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 CHARTSB232C
2007 Chrysler 300 V6-3.5L VIN G
B232C
2007 Chrysler 300 V6-3.5L VIN GSECTION B232C
B232C-RAIN SENSOR OPTICAL PATH 4 PERFORMANCE
For a complete wiring diagram Refer to Diagrams/Electrical.
- When Monitored:
With the ignition on.
- Set Condition:
Each optical track (received value) is monitored once a second while the rain sensor is active (WK Intermittent 1-5, LX intermittent 1-6) and compared to a small value. The optical track value must be below this value for 4 minutes(checked once per second) before this DTC will be set. Once the DTC is set, the optical track must be above the threshold for 4 minutes(checked once per second) before the DTC is cleared.
Diagnostic Test
1.REPLACE THE RAIN SENSOR MODULE
NOTE: Check the contact surface of the RSM to the windshield for Delamination (this will resemble air bubbles in the contact area). If Delamination is present, replace the windshield.
With the scan tool read RSM DTCs.
Does the scan tool read: B232C-RAIN SENSOR OPTICAL PATH 4 PERFORMANCE?
Yes
- Replace the RSM.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.