
Passlock 'challenge response'
In diagnosing an intermittent no start and intermittent "won't shut off", I stumbled on some interesting verbiage in the p0513- "Theft deterrent key incorrect" chart. Under "conditions for setting the DTC" reads, "the calculated response by the TDM does not eq... Login to read more. ![]()
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Engine | 4.8 L |
Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2008 GMC Savana 3500 4.8L
Engine | 4.8 L |
Trans | 4-speed Automatic (Electronic) |