P0780 Code - Shift Control System Fault
Quick Answer
The Transmission Control Module (TCM) monitors the transmission mechanical shifting through various sensors. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shifting solenoid valve. 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
- P0780 indicates Shift Control System Fault.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shifting solenoid valve.
- 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 P0780 Description
What are the Possible Causes of the DTC P0780?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shifting solenoid valve
- Shifting solenoid valve harness is open or shorted
- Shifting solenoid valve circuit poor electrical connection
How to Fix the DTC P0780?
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 P0780 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.
Need more information about the P0780 code?
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Need Help with the Code?
Get the P0780 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P0780 Acura — Shift Control System Fault
- P0780 Audi — Shift Malfunction
- P0780 Ford — Shift Control System Fault
- P0780 Honda — Shift Control System Fault
- P0780 Hyundai — Shift Control System Fault
- P0780 Infiniti — Shift Control System Fault
- P0780 Mazda — Shift Malfunction
- P0780 Mercedes-Benz — Shift Control System Fault
- P0780 Nissan — Shift Control System Fault
- P0780 Suzuki — Shift Malfunction
- P0780 Volkswagen — Shift Malfunction
Frequently Asked Questions about P0780 Code
1. What does the OBDII code P0780 mean?
P0780 indicates a fault in the shift control system, which means the transmission is having difficulty shifting properly due to an issue with the control mechanisms.
2. What are the common symptoms of a P0780 code?
Symptoms include erratic shifting, failure to shift gears, transmission slipping, poor fuel economy, or the transmission being stuck in one gear.
3. What causes the P0780 code to appear?
Common causes include low or dirty transmission fluid, a malfunctioning shift solenoid, damaged wiring or connectors, a faulty transmission control module (TCM), or internal transmission issues.
4. Can I drive my car with a P0780 code?
Driving with a P0780 code is not recommended, as it can lead to further damage to the transmission and leave you stranded if the vehicle becomes inoperable.
5. How is the P0780 code diagnosed?
A mechanic will typically use a scan tool to read the code, inspect the transmission fluid, test the shift solenoids, check wiring and connections, and possibly perform a transmission pressure test.
6. How can I fix a P0780 code?
Repairs may involve replacing the transmission fluid, repairing or replacing a faulty shift solenoid, fixing damaged wiring, or addressing internal transmission issues.
7. Will resetting the check engine light fix the P0780 code?
Resetting the light may clear the code temporarily, but it will return if the underlying issue is not resolved.
8. Can low transmission fluid cause a P0780 code?
Yes, low or dirty transmission fluid can cause shifting issues and trigger the P0780 code.
9. How much does it cost to repair a P0780 code?
Repair costs vary depending on the issue, ranging from $100 for a fluid change to over $1,000 for internal transmission repairs.
10. Can a bad TCM cause the P0780 code?
Yes, a faulty transmission control module can disrupt the shift control system and trigger the P0780 code.
Discuss the causes and fixes for P0780 OBDII Code
-
What I need to get done for a shift control system fault on a 2004 nissian maxima
-
Start by inspecting the transmission fluid level and condition. If the fluid is OK, the you may have to have a transmission specialist inspect the transmission for you.
-
2000 Toyota Camry where should I start first when trying to diagnose the issue that is bringing up the error code?
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Start by inspecting the transmission fluid level and condition. If the fluid is low, top it off. If the fluid smells burnt, you may have to have a transmission shop inspect the transmission for you.
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