LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Pontiac
>>
2005
>>
Grand Prix Base
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - 3.8L - DTC P0406 To DTC P1111
>>
DTC P0641: 5-Volt Reference 1 Circuit
>>
DTC Descriptor
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC Descriptor
This diagnostic procedure supports the following DTC.
DTC P0641 5-Volt Reference 1 Circuit