P1873
Problem in CVT Pulley Pressure Control Valve Assembly Circuit
P1873 is an OBD-II diagnostic trouble code meaning: Problem in CVT Pulley Pressure Control Valve Assembly Circuit. Common causes: open or short circuit in valve control circuit, pulley pressure solenoid valve malfunction. Estimated repair cost: $56–278.
Symptoms
- Uneven transmission operation
- Jerks when shifting gears
- Check Engine Light Illuminates
- Engine speed limit
- Transmission transition to emergency mode
Causes
- Open or short circuit in valve control circuit
- Pulley pressure solenoid valve malfunction
- Low or contaminated transmission fluid
- Transmission control module (TCM) problems
- Mechanical damage to the variator valve block
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the valve control circuit
- Check the resistance and operation of the solenoid valve
- Inspect the wiring harness for damage
- If necessary, replace the valve or valve block
Related codes
Error P1873 by Vehicle Brand
FAQ
What does the P1873 code mean?
P1873 is an OBD-II diagnostic trouble code that indicates: Problem in CVT Pulley Pressure Control Valve Assembly Circuit
What causes a P1873 error code?
The most common causes of P1873 include: Open or short circuit in valve control circuit; Pulley pressure solenoid valve malfunction; Low or contaminated transmission fluid; Transmission control module (TCM) problems.
How do I fix a P1873 diagnostic trouble code?
To fix P1873: Check the level and condition of the transmission fluid. Diagnose the valve control circuit. Check the resistance and operation of the solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1873?
Limited driving only, diagnose soon
How much does it cost to fix P1873?
The estimated repair cost for P1873 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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