P2507 Mercedes-Benz 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 Mercedes-Benz 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.
Mercedes-Benz Vehicle:Mercedes-Benz C-Class,Mercedes-Benz CL-Class,Mercedes-Benz CLK-Class,Mercedes-Benz CLS-Class,Mercedes-Benz E-Class,Mercedes-Benz G-Class,Mercedes-Benz GL-Class,Mercedes-Benz GLK-Class,Mercedes-Benz M-Class,Mercedes-Benz R-Class,Mercedes-Benz S-Class,Mercedes-Benz SL-Class,Mercedes-Benz SLK-Class,Mercedes-Benz SLS-Class,Mercedes-Benz Sprinter 2500,Mercedes-Benz Sprinter 3500,