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.

2007 Chrysler Pacifica Limited, FWDFACTORY OEM SERVICE PROCEDURE

Diagnostic Code Index

DIAGNOSTIC CODE INDEX

DTC	Description
B2100	IGNITION RUN/START INPUT CIRCUIT/PERFORMANCE
B2108	IGNITION SWITCH SENSE INPUT CIRCUIT LOW
B2109	IGNITION SWITCH SENSE INPUT CIRCUIT HIGH
B2112	5 VOLT SUPPLY CIRCUIT LOW
B2142	IGNITION OFF DRAW (IOD) FUSE NOT PRESENT

Factory Service Tools

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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.