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Old 03-11-2011, 09:44 PM
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2007 Hemi not starting

Hello,
I went to start my jeep today and all i got was a click. My lights, gauges and all seem to be working. I pulled the DTC and it was a b2100 ignition run/start input circuit performance

Anyone ever seen this before? I hoping its just a bad starter relay.
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Old 03-12-2011, 07:03 AM
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Re: 2007 Hemi not starting

Might be your ignition switch!
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Old 03-13-2011, 12:09 AM
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Re: 2007 Hemi not starting

Pull the driver side inner fender well, reach in and wiggle the starter wires. It probably is corroded.
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Old 03-14-2011, 08:40 AM
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Re: 2007 Hemi not starting

B2100-IGNITION RUN/START INPUT CIRCUIT PERFORMANCE
  • When Monitored: Anytime the ignition input is compared against the CAN B Bus ignition status message.
  • Set Condition: The Front Control Module will set this DTC if the CAN bus message and the hardwired ignition circuit do not match.
Possible Causes
ACTIVE IGNITION RELATED FCM DTCS
(A106) FUSED B+ CIRCUIT OPEN
(F20) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
(F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
REAR PDC FUSE
IGNITION SWITCH
FRONT CONTROL MODULE
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