P1640 Cadillac
Output Driver Module ‘A’ Error Conditions
Cadillac
P1641 Cadillac
Cooling Fan Relay 1 Control Circuit
P1642 Cadillac
Fan Control Relay 2 and 3 Control Circuit
P1636 Cadillac
PCM Stack Overrun
P1637 Cadillac
Generator L-Terminal Circuit
P1638 Cadillac
Generator ‘F’ Terminal Circuit Conditions
P1639 Cadillac
PCM 5 Volt Reference Voltage Circuit Condition
P1633 Cadillac
Ignition Supply Power Circuit Low Voltage
P1634 Cadillac
Ignition 1 Power Circuit Low Voltage
P1635 Cadillac
5-Volt Reference Circuit Low Conditions