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
Ignition Control - Electrical Diagnostics
- Diagnostic Code Index
- Ignition Control-Electrical Diagnostics
- DTC Troubleshooting
- 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
- BCM IGN MUX Error-IPM
- EATX Output Open Load
- EATX Output Short To Ground-IPM
- Ignition Run/Start Input Mismatch-IPM
- Ignition Start Input Mismatch-IPM
- Run Only Relay Open-IPM
- Run Only Relay Short To Battery-IPM
- DTC Troubleshooting
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.