P2777
Upshift Switch Circuit High
P2777 is an OBD-II diagnostic trouble code meaning: Upshift Switch Circuit High. Common causes: short circuit in switch circuit, upshift switch malfunction. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Delays when upshifting
- Switching to emergency mode of the gearbox
- Check Engine Light Illuminates
- Decreased fuel efficiency
Causes
- Short circuit in switch circuit
- Upshift switch malfunction
- Wiring harness damage
- Poor contact in connectors
- Problems with the transmission control module
How to Fix
- Check the integrity of the wiring harness
- Test the upshift switch
- Check connections and connectors
- Measure resistance and voltage in the circuit
- If necessary, replace the switch or repair the wiring
Related codes
Error P2777 by Vehicle Brand
FAQ
What does the P2777 code mean?
P2777 is an OBD-II diagnostic trouble code that indicates: Upshift Switch Circuit High
What causes a P2777 error code?
The most common causes of P2777 include: Short circuit in switch circuit; Upshift switch malfunction; Wiring harness damage; Poor contact in connectors.
How do I fix a P2777 diagnostic trouble code?
To fix P2777: Check the integrity of the wiring harness. Test the upshift switch. Check connections and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2777?
Yes, but get it checked soon
How much does it cost to fix P2777?
The estimated repair cost for P2777 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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