SES Code
#2
Re: SES Code
You can't use a "generic" code list. Use the one the Shoebox has on his web page, specifically for LT1's:
http://shbox.com/1/Dtcs.htm
P1657 = Skip shift/One to four upshift system control circuit
Your Skip Shift solenoid is not working, or someone pulled the harness connector off the solenoid to defeat the skip shift feature. If you want to keep skip shift deactivated, put a 2Kohm resistor (50-cents) across the harness connector pins, or buy a "Skip Shift Eliminator" ($30).
http://shbox.com/1/Dtcs.htm
P1657 = Skip shift/One to four upshift system control circuit
Your Skip Shift solenoid is not working, or someone pulled the harness connector off the solenoid to defeat the skip shift feature. If you want to keep skip shift deactivated, put a 2Kohm resistor (50-cents) across the harness connector pins, or buy a "Skip Shift Eliminator" ($30).
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BigED
General 1967-2002 F-Body Tech
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06-23-2015 07:19 PM