P2777 Dodge Code - Upshift Switch Circuit High
Quick Answer
The Engine Control Module (ECM) monitors the Upshift Switch Circuit signal. Common causes include Faulty Upshift Switch, Upshift Switch harness is open or shorted, Upshift Switch circuit poor electrical connection. 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
- P2777 Dodge indicates Upshift Switch Circuit High.
- Common causes
- Common causes include Faulty Upshift Switch, Upshift Switch harness is open or shorted, Upshift Switch circuit poor electrical connection.
- 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 P2777 Dodge Description
What are the Possible Causes of the DTC P2777 Dodge?
- Faulty Upshift Switch
- Upshift Switch harness is open or shorted
- Upshift Switch circuit poor electrical connection
How to Fix the DTC P2777 Dodge?
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 P2777 Dodge 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.
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Frequently Asked Questions about P2777 Dodge Code
1. What does OBDII code P2777 mean on a Dodge vehicle?
P2777 indicates a problem with the upshift switch circuit, specifically that the circuit is experiencing a high voltage condition.
2. What are the common symptoms of code P2777 in a Dodge?
Common symptoms include delayed or harsh shifting, inability to shift gears, reduced fuel efficiency, and the illumination of the check engine light.
3. What causes the P2777 code to trigger on a Dodge?
The code is typically caused by a faulty upshift switch, damaged wiring or connectors in the circuit, or a malfunctioning transmission control module (TCM).
4. Can I drive my Dodge with a P2777 code?
While the vehicle may still be drivable, driving with this code can lead to poor performance, potential transmission damage, and unsafe driving conditions. It’s best to address the issue promptly.
5. How do you diagnose a P2777 code on a Dodge?
Diagnosis involves scanning for codes, inspecting the upshift switch and associated wiring for damage, testing the circuit for high voltage, and evaluating the TCM for proper operation.
6. How is the P2777 code fixed on a Dodge?
Repairs may include replacing the upshift switch, repairing or replacing damaged wiring or connectors, and updating or reprogramming the TCM if necessary.
7. Can a bad TCM cause the P2777 code?
Yes, a malfunctioning transmission control module can lead to this code if it fails to properly regulate the upshift switch circuit.
8. How much does it cost to fix the P2777 code on a Dodge?
Repair costs can range from $100 to $500 or more, depending on whether the issue is with the switch, wiring, or TCM.
9. Can low transmission fluid cause the P2777 code?
Low transmission fluid itself does not directly cause the P2777 code, but it can lead to transmission issues that may indirectly trigger it. Always ensure fluid levels are correct.
10. Will clearing the P2777 code fix the problem?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
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