The control module detected improper operation of the OD Hydraulic Pressure Test circuit. This is the manufacturer-specific definition used by Jeep.
TuningBot DTC Database · v4.37.15
P1787 Jeep - OD Hydraulic Pressure Test Failure
Manufacturer-specific interpretation for Jeep. All interpretations of P1787
What P1787 means
Related and nearby codes
How to read P1787
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1787
What does P1787 mean?
OD Hydraulic Pressure Test Failure. The control module detected improper operation of the OD Hydraulic Pressure Test circuit. This is the manufacturer-specific definition used by Jeep.
Is P1787 generic or manufacturer-specific?
P1787 is a manufacturer-specific code. In this database it is documented for: Jeep. The same number can mean something different on other brands.
Can TuningBot remove P1787 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
