P1500 A/CON SW

Wanda, could be bad wires/plug, faulty throttle body, ecu/computer, etc. Vehicle will have to be checked by a good tech. diagnosed and estimate repair. Check the attached link,instruction and guides, Good luck
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Thread P1500 p1523 p1526 error codes

podes tener problema con el alternador , los cable que van al alternador o los que val de la computadora al alternador o mala computadora

Hello,
The error code P1500 means there was a problem "Alternator FR teminal circuit"

Was the battery jump started recently or battery gone dead? This code condition tends to be intermittent especially when a jump start was given

Here's a link to your code,if it's driveable ,go to Autozone,they will test for free,only takes a few minutes. P1500 Mitsubishi Alternator FR Terminal Circuit

Sounds like you need a new oxygen sensor and maybe a catalytic converter.

Hi! There P1500 is Generator FR Terminal Circuit Malfuction

P1500 means Vehicle Speed Sensor Intermittent.
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ak500 key programmer

Check the following guide to Mitsubishi Error Codes and self Diagnostic - your errr code is for Alternator Terminal fault.

P1500 Vehicle Speed Sensor (VSS)

error code P1500 is your speed sensor VSS