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vt problems

oldbigfella

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hey guys
new to this
have a tricky one for anyone
drove the vt home ok
went to start it afterwards
trys to start but will not run, then turn ignition off nothing , wait 10 secs then start again but not run
looked at some of the forums but can't figure this one out
had reveal codes 12 , 48 and 92
tryed disconnecting battery
key central locking does not work and boot latch !!
took pcm out and reseated all connections
THAT WAS FUN WITH BIG HANDS
anyway any help would be greatly appreciated
 

accentstencil

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WH II Caprice, 5.7 2018 Equinox LTZ V
Possibly a problem with the BCM. Is the security light in the mode switch flashing when you try to start it?
 

graham7773

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Code 12 - System Pass (OK)

Code 48 - Crankshaft Reference Signal Missing
CPS shot or related wiring faulty?

Cant help with 92

I just looked up one of accentstencils old posts. code 92 possibly low speed fan relay problem. Pull it and replace with known working one
 

oldbigfella

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guys
thanks for the help
the problem i have found
the bloody wifes key was stuffed
must have been disabling the engine management security system
had a brain wave at 11 PM last night
tryed my key and toggled the central locking a couple of times
i did read this in another thread from some smart bugger
thankyou
i could have tryed that at 8 PM
anyway missus is back on the road and happy
doesn't like driving my HQ 1 Tonner
my grandfather bought it brand new in 74 and it has never given him ,my dad or me any troubles
don't make em like they used to
 
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