C1765
Abnormal Accumulator Valve Oil Pressure
C1765 is an OBD-II diagnostic trouble code meaning: Abnormal Accumulator Valve Oil Pressure. Common causes: transmission fluid contamination, wear or jamming of the accumulator valve. Estimated repair cost: $167–444.
Symptoms
- Jerks when shifting gears
- Switching delays
- Increased vibrations
- Switching to emergency mode
- The Check Engine light comes on
Causes
- Transmission fluid contamination
- Wear or jamming of the accumulator valve
- Low oil level in automatic transmission
- Pressure control solenoid malfunction
- Problems with the wiring harness to the valve
- TCM control unit malfunction
How to Fix
- Diagnostics with a scanner to confirm the code
- Checking the level and condition of the transmission fluid
- Valve Control Circuit Diagnostics
- Flushing the valve body or replacing the accumulator valve
- Replacing transmission fluid and filter
- Coding and adaptation of a new valve
Related codes
FAQ
What does the C1765 code mean?
C1765 is an OBD-II diagnostic trouble code that indicates: Abnormal Accumulator Valve Oil Pressure
What causes a C1765 error code?
The most common causes of C1765 include: Transmission fluid contamination; Wear or jamming of the accumulator valve; Low oil level in automatic transmission; Pressure control solenoid malfunction.
How do I fix a C1765 diagnostic trouble code?
To fix C1765: Diagnostics with a scanner to confirm the code. Checking the level and condition of the transmission fluid. Valve Control Circuit Diagnostics. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1765?
Limited driving only, diagnose soon
How much does it cost to fix C1765?
The estimated repair cost for C1765 is $167–444. Actual cost depends on your vehicle, location, and labor rates.
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