P0773 Code - Shift Solenoid 'E' Electrical
Quick Answer
Shift solenoid valve 'E' is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'E' 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
- P0773 indicates Shift Solenoid 'E' Electrical.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'E' 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 P0773 Description
What are the Possible Causes of the DTC P0773?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 'E' valve
- Shift solenoid 'E' valve harness is open or shorted
- Shift solenoid 'E' valve circuit poor electrical connection
How to Fix the DTC P0773?
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 P0773 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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Information for Specific Makes
- P0773 Acura — Shift Solenoid 'E' Circuit Fault
- P0773 Audi — Shift Solenoid 'E' Electrical
- P0773 Honda — Shift Solenoid 'E' Circuit Fault
- P0773 KIA — Low Coast Brake Solenoid
- P0773 Lexus — Shift Solenoid 'E' Electrical Malfunction
- P0773 Mazda — Shift Solenoid 'E' Malfunction
- P0773 Mercedes-Benz — Shift Solenoid 'E' Electrical
- P0773 Mitsubishi — Reduction Solenoid Valve System
- P0773 Subaru — Shift Solenoid 'E' Electrical
- P0773 Suzuki — Torque Converter Clutch Solenoid Electrical Fault
- P0773 Toyota — Shift Solenoid 'E' Electrical Malfunction
- P0773 Volkswagen — Shift Solenoid 'E' Electrical
Frequently Asked Questions about P0773 Code
1. What does the OBDII code P0773 mean?
P0773 indicates an electrical issue with the shift solenoid 'E' circuit, which controls gear shifting in the automatic transmission.
2. What are the symptoms of a P0773 code?
Common symptoms include harsh or erratic shifting, the transmission stuck in one gear, poor fuel efficiency, and an illuminated Check Engine Light.
3. What causes the P0773 code?
Possible causes include a faulty shift solenoid 'E', damaged wiring or connectors, low or dirty transmission fluid, or a malfunctioning transmission control module (TCM).
4. Can I drive with a P0773 code?
Driving with a P0773 code is not recommended, as it can lead to further transmission damage and unpredictable shifting behavior.
5. How can I diagnose the P0773 code?
Start by checking the transmission fluid level and condition, then inspect the wiring and connectors related to shift solenoid 'E'. A scan tool may also help test the solenoid’s functionality.
6. How do I fix the P0773 code?
Repairs may involve replacing the faulty shift solenoid 'E', repairing damaged wiring, cleaning or replacing the transmission fluid, or reprogramming/updating the TCM.
7. How much does it cost to repair a P0773 code?
Repair costs vary but typically range from $150 to $400 for solenoid replacement, depending on labor rates and parts prices.
8. Can low transmission fluid cause a P0773 code?
Yes, low or dirty transmission fluid can affect solenoid operation and trigger the P0773 code.
9. Does a P0773 code always mean the solenoid is bad?
Not always. The issue could be with the wiring, connectors, or the TCM rather than the solenoid itself.
10. How can I prevent the P0773 code from recurring?
Regularly maintain the transmission by changing the fluid and filter as recommended by the manufacturer and inspecting the wiring for damage.
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