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Trouble code P0755 means: A/T 2-4 Solenoid Circuit Malfunction
how do you repair a circuit solenoid lock up on a Renault scenic automatic transmission
PO740 is a Chrysler specific code that involves your Torque Converter Clutch Circuit The problem could be in the TCC solenoid, or the torque converter itself.
Egr solenoid circuit malfunction
P0785 Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Starter motor.
In the starter circuit, in many automatic transmissions, in EVAP circuits,
Camshaft sensor circuit low.
31manifold and/or airflow meter sensor signal circuit--airflow meter/circuit--manifold pressure sensor/circuit--ecu
Usually the problem with this code is an open vent solenoid valve. 12 volts is provided to solenoid and the pcm grounds the solenoid. When the pcm checks the circuit it is looking for 12 volts on the wire at pcm. The pink wire should have 12 volts and the white wire should be the ground circuit from the pcm. Ohm your vent valve it will probably be open.
evap. purge solenoid circuit failure
P0753 should be a shift solenoid circuit failure.