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Home >> Geo >> 1996 >> Metro Base, 2D Hatchback, 1.0 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Circuit Tests >> DTC P1510 - Back-Up Power Supply >> Circuit Description

Circuit Description

Battery voltage is supplied for DTC memory. Values for engine controls learned by PCM are kept in PCM memory with ignition on or off. DTC P1510 will set when no back-up power is supplied to PCM.