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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), GMC Mechanic
Category: GM
Satisfied Customers: 5783
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2001 GM Savanna 5.7 Vehicle stalls while opporation,

Customer Question

2001 GM Savanna 5.7
Vehicle stalls while opporation , preformed diag and got codes.
First code- p1631 theft system password *****
Second code- V1041, loss of EBCM/ EBTCM Communications
I changed several items on it to resolve the problem.-Replaced- Cam and crank sensor, ignition mod, coil and spark plugs, wires, cap and roter button, spider injector. Fuel at 45 PSI.
After that, it now it cranks for 1 second and then dies.
Submitted: 11 months ago.
Category: GM
Expert:  Wayne Crawford replied 11 months ago.

Hello. My name is ***** ***** I will be helping you today.

Do you have a scantool that can get passlock data? The p1631 is usually the passlock sensor. I dont know where you got this v1041 but that isnt a valid code. Can you double check that one?

Customer: replied 11 months ago.
U1041 sorry
Expert:  Wayne Crawford replied 11 months ago.

Do you have a scantool that can get passlock data? The p1631 is usually the passlock sensor.

Customer: replied 11 months ago.
No, how do I get passed the passlock sensor?
Expert:  Wayne Crawford replied 11 months ago.

You dont. If it could just be bypassed it would be useless as a theft deterrent.