P1787 Chrysler Code - OD Hydraulic Pressure Test Failure
Quick Answer
When monitored, in any forward gear with engine speed above 1000 RPM shortly after a shift and every minute thereafter. Common causes include Low transmission fluid level, Faulty Over Drive (OD) Pressure Switch, Over Drive (OD) Pressure Switch harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1787 Chrysler indicates OD Hydraulic Pressure Test Failure.
- Common causes
- Common causes include Low transmission fluid level, Faulty Over Drive (OD) Pressure Switch, Over Drive (OD) Pressure Switch harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1787 Chrysler Description
What are the Possible Causes of the DTC P1787 Chrysler?
- Low transmission fluid level
- Faulty Over Drive (OD) Pressure Switch
- Over Drive (OD) Pressure Switch harness is open or shorted
- Over Drive (OD) Pressure Switch circuit poor electrical connection
How to Fix the DTC P1787 Chrysler?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1787 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P1787 Chrysler code?
Need more information on how to fix the P1787 Chrysler code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1787 Chrysler code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1787 Chrysler Code
1. What are the common symptoms of OBDII code P1787 Chrysler (OD Hydraulic Pressure Test Failure)?
- Common symptoms include harsh shifting, transmission slipping, and difficulty engaging or disengaging gears.
2. What are the possible causes of OBDII code P1787 Chrysler?
- The code can be triggered by low transmission fluid levels, a malfunctioning hydraulic pump, a faulty clutch, or a problem with pressure sensors.
3. How can I diagnose OBDII code P1787 Chrysler?
- Diagnosis typically involves checking the transmission fluid level, inspecting the hydraulic pump and clutch components, and testing pressure sensors using a scan tool.
4. How serious is OBDII code P1787 Chrysler?
- This code should be addressed promptly to prevent further damage to the transmission system. Ignoring it can lead to more severe transmission issues and potential safety hazards.
5. Can I continue driving with OBDII code P1787 Chrysler active?
- It is not recommended to continue driving with this code active, as it can result in transmission failure and costly repairs. It is best to address the issue as soon as possible.
6. How can I repair OBDII code P1787 Chrysler?
- Repair options include checking and refilling transmission fluid, replacing faulty hydraulic pump or clutch components, and repairing or replacing pressure sensors as needed.
7. Are there any DIY tips for fixing OBDII code P1787 Chrysler?
- DIY tips may include checking and refilling transmission fluid, inspecting visible hydraulic components for leaks or damage, and ensuring proper connection of pressure sensors.
8. How much does it typically cost to repair OBDII code P1787 Chrysler?
- Repair costs can vary depending on the underlying issue and whether the repair is done at a dealership, independent mechanic, or by the owner. Costs can range from a few hundred to over a thousand dollars.
9. Can resetting the OBDII code P1787 Chrysler fix the issue temporarily?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the code. It is important to diagnose and repair the problem to prevent further damage.
10. Is it possible for OBDII code P1787 Chrysler to reoccur after repair?
- If the underlying issue causing the code is not properly addressed, there is a possibility for the code to reoccur. It is important to thoroughly diagnose and repair the problem to prevent future occurrences.
Discuss the causes and fixes for P1787 Chrysler OBDII Code
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
