Question about 2000 Jeep Grand Cherokee

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What this code is p-1784 - 2000 Jeep Grand Cherokee

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P1784-LR PRESSURE SWITCH SENSE CIRCUIT
This is a transmission fault code. Diagnosing it will require the DRB3 scan tool, or equivalent aftermarket scanner, and the transmission simulator tool.
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Remove the VB(valve body) and the solenoid pack is easy to change and a shift kit comes with a non stick switch valve.In most of the cases is faulty solenoid pack causing this eror code.But there are other possibilities to.
P1784-LR PRESSURE SWITCH SENSE CIRCUIT

When Monitored and Set Condition:
P1784-LR PRESSURE SWITCH SENSE CIRCUIT

When Monitored: Whenever the engine is running.

Set Condition: The appropriate code is set if one of the pressure switches are open or closed at the wrong time in a given gear.

POSSIBLE CAUSES
LOSS OF PRIME P1791 PRESENT.
RELATED RELAY DTC

Posted on Feb 23, 2011

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DTC P1784 - LR PRESSURE SWITCH SENSE CIRCUIT
This is a transmission fault code. Diagnosing it will require the DRB3 scan tool, or equivalent aftermarket scanner, and the transmission simulator tool. Due to the complexity of this, I recommend the dealer service department or a competent transmission shop.

Hope this helps.

Posted on Feb 23, 2011

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