P1496 5 Volt Supply Output Too Low
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P-1496 5-VOLT SUPPLY OUTPUT TOO LOW
WHEN MONITORED
With the Ignition On.
SET CONDITION
The 5-volt Supply to the Sensors is below 3.5 volts for 4 seconds.
POSSIBLE CAUSES
- 5-Volt supply circuit short to ground
- A/C pressure sensor defective
- Harness or connector intermittent defect
- MAP sensor defective
- Throttle position sensor defective
- PCM defective (5V supply ckt)