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99 engine has 3 codes

Old Apr 29, 2021 | 12:37 PM
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99 engine has 3 codes

P0107 Map/BP sensor circuit low input
P1832 transfercase differential lock up solenoid
B1352 ignition key in circuit fault

did some research but got dead ends or just threads that never resolved them. Any advice or direction?
 
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Old Apr 29, 2021 | 04:54 PM
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Did you clear them and they came back?

If so, we can provide trouble shooting steps and pinpoint tests taken directly from the Ford Service Manual going forward.

We just don't want you to chase ghosts, I am sure you understand sir.
 
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Old Apr 29, 2021 | 07:08 PM
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Originally Posted by Sous
Did you clear them and they came back?

If so, we can provide trouble shooting steps and pinpoint tests taken directly from the Ford Service Manual going forward.

We just don't want you to chase ghosts, I am sure you understand sir.
cleared rhem and the do not go away.
 
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Old Apr 29, 2021 | 08:22 PM
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The map sensor code is either the sensor is unplugged or bad wire back to pcm. Could be the sensor but the other two are more likely. The transfer case code is either a short in the harness to the transfer case or GEM related. The key in circuit fault could be wiring at the ignition or GEM. Do you get the chimes with the key in engine off, or when door open? If not the wire on the cylinder may have come loose or someone like me owned it before and got tired of listening to that crap and unhooked the wire.
 
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Old Apr 30, 2021 | 04:06 AM
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These descriptions and pinpoint tests from the Ford Shop Manual will work for a L99. I do not have a manual for an E99 unfortunately.

P0107 BARO Circuit Low Input. KOEO Pinpoint Test DG1. Continuous Pinpoint Test DG3



The other two are GEM codes. The P1832 should clear up after you activate the ESOF Mode Selector Switch (MSS) then clear codes. The B1352 probably means the wire on the underside of the steering column has been cut to disable the dinger.
 
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