P2507 Cadillac PCM Input Signal Low
Possible causes
– Low battery voltage
– Faulty Powertrain Control Module (PCM)
– PCM harness is open or shorted
– PCM circuit poor electrical connection
– Faulty Powertrain Control Module (PCM)
– PCM harness is open or shorted
– PCM circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P2507 Cadillac Description
When the ignition switch is turned “ON”, battery voltage is applied from the battery to the Powertrain Control Module (PCM) through the main relay. In case that the ignition switch is turned “OFF”, the PCM is supplied with power through the battery power input line to control the basic operation of vehicle.
Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX