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 CHARTSB1661
2007 Chrysler 300 V6-2.7L VIN R
B1661
2007 Chrysler 300 V6-2.7L VIN RSECTION B1661
B1661-FRONT FOG LAMP CONTROL CIRCUIT OPEN
For a complete wiring diagram Refer to Diagrams/Electrical.
- When Monitored:
- With the Fog Lamps activated.
- Set Condition:
- When the IPM detects an OPEN condition.
Diagnostic Test
1.INTEGRATED POWER MODULE
NOTE: Prior to testing, check and inspect that all applicable fuses are functional and working properly.
Turn the ignition off.
Replace the Fog Lamp relay with and known good relay.
With the Scan Tool, clear all IPM DTC's.
Turn the Fog Lamps ON then OFF.
With the Scan Tool, read the DTC's.
Does the Scan Tool read: B1661-FRONT FOG LAMP CONTROL CIRCUIT OPEN?
Yes
- Replace the Integrated Power Module.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
No
- Test complete.
- 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.