The control module detected improper operation of the OD Hydraulic Pressure Test circuit. This is the manufacturer-specific definition used by Chrysler.
TuningBot DTC Database · v4.37.15
P1787 Diagnostic Trouble Code (5 interpretations)
5 manufacturer-specific interpretations across 5 manufacturers in the TuningBot DTC database.
Chrysler
1 interpretation
Dodge
1 interpretationThe control module detected improper operation of the OD Hydraulic Pressure Test circuit. This is the manufacturer-specific definition used by Dodge.
Honda
1 interpretationThe control module detected improper operation of the Automatic Transmission Lock - Up Clutch. This is the manufacturer-specific definition used by Honda.
Jeep
1 interpretationThe control module detected improper operation of the OD Hydraulic Pressure Test circuit. This is the manufacturer-specific definition used by Jeep.
VAG
1 interpretationThe control module detected a short circuit to ground in the Reversing Light circuit. This is the manufacturer-specific definition used by Volkswagen.
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?
Diagnostic Trouble Code (5 interpretations). The control module detected improper operation of the OD Hydraulic Pressure Test circuit. This is the manufacturer-specific definition used by Chrysler.
Is P1787 generic or manufacturer-specific?
P1787 is a manufacturer-specific code. In this database it is documented for: Chrysler, Dodge, Honda, Jeep, VAG. 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
