what does p0826 mean

Asked by Guru9R343W Aug 20, 2022 at 12:53 PM about the 2004 Pontiac Grand Prix GTP

Question type: Maintenance & Repair

i have a code for what does p0826 mean my cruise control doesn't work and
my car downshifts weird at 45+

1 Answer

307,275

Upshift/downshift switch low voltage, most common is a bad 5 volt reference wire or even the switch itself, but I have seen the ECM burn out so there is no reference voltage on that circuit.

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