P1793 - Ignition Supply Malfunction - DTC Chart
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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:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test B . | ||