Dodge used an ABS system for 2 years that didn't have a vacuum booster. Instead it used ABS pressure from the pump motor for the power brakes. This is the system you have. The ABS pump is mounted on top of the transmission. Is the pump running when the pedal is hard to push? Sometimes the pressure sensor in the ABS module will go bad and the pump won't run. You will get a hard pedal and the ABS light and the BRAKE lights will be on. The code in the ABS control module will be LOW BRAKE ACCUMULATOR PRESSURE.
How to check ABS pump ? When I start the engine and ABS relay working and which one is the pressure sensor?
If is it the pressure sensor that mean have to change the sensor,I can't found OBD 2 connector to check for DTC .
were is the pressure sensor and can it be changed or do youhave to get brake master clyinder changed
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