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 CHARTSB2236
2007 Chrysler 300 V6-2.7L VIN R
B2236
2007 Chrysler 300 V6-2.7L VIN RSECTION B2236
B2236-RIGHT FRONT HEADLAMP BALLAST ECU INTERNAL
For a complete wiring diagram Refer to Diagrams/Electrical.
- When Monitored:
- Continuously with the Headlamps on.
- Set Condition:
- The code will set when a Check Sum error is detected.
Diagnostic Test
1.Verify DTC B2236-RIGHT FRONT HEADLAMP BALLAST ECU INTERNAL IS ACTIVE
NOTE: If a DTC is set, erase the DTC and attempt to reset the DTC. If the DTC resets, follow test.
This is an internal Headlamp Ballast ECU failure
View repair
Does the DTC reset and read B2236-RIGHT FRONT HEADLAMP BALLAST ECU INTERNAL?
Repair
- Replace the Right Side Headlamp Ballast ECU.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
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.