P1793 - Ignition Supply Malfunction - DTC Chart
P1793 - IGNITION SUPPLY MALFUNCTION - DTC CHART
| Description: The ignition switch position run (ISP-R) circuit is monitored for low and high voltage conditions. This DTC sets when the voltage is less than 7 volts or greater than 16 volts. | |||
Possible Causes:
|
|||
| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test B . | ||