P1772
Low Coast Brake Solenoid Valve
P1772 is an OBD-II diagnostic trouble code meaning: Low Coast Brake Solenoid Valve. Common causes: brake solenoid valve malfunction, open or short circuit in valve control circuit. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- The car goes into emergency gearbox mode
- Deterioration in acceleration dynamics
- Unusual behavior of the transmission during engine braking
- Gear shifting problems
Causes
- Brake solenoid valve malfunction
- Open or short circuit in valve control circuit
- Poor contact in valve circuit connectors
- Transmission control unit malfunction
- Problems with power or circuit ground
How to Fix
- Check the condition of the brake solenoid valve
- Check the integrity of the wiring and connectors in the valve circuit
- Measure the resistance and voltage at the valve
- Check the operation of the transmission control unit
- If necessary, replace the faulty valve or repair the wiring
Related codes
Error P1772 by Vehicle Brand
FAQ
What does the P1772 code mean?
P1772 is an OBD-II diagnostic trouble code that indicates: Low Coast Brake Solenoid Valve
What causes a P1772 error code?
The most common causes of P1772 include: Brake solenoid valve malfunction; Open or short circuit in valve control circuit; Poor contact in valve circuit connectors; Transmission control unit malfunction.
How do I fix a P1772 diagnostic trouble code?
To fix P1772: Check the condition of the brake solenoid valve. Check the integrity of the wiring and connectors in the valve circuit. Measure the resistance and voltage at the valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1772?
Yes, but get it checked soon
How much does it cost to fix P1772?
The estimated repair cost for P1772 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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