AutoCodes – Acura – P0771 Acura

P0771 Acura Code - Shift Solenoid Valve 'E' Stuck Off

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: P0771 Acura indicates Shift Solenoid Valve 'E' Stuck Off.
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.

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Code Popularity 4,084

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 08, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0771 Acura Description

OBDII Code P0771 Acura - Shift Solenoid Valve 'E' Stuck Off - AutoCodes.com — P0771 Acura Code - Shift Solenoid Valve 'E' Stuck Off

What does this mean?

What are the Possible Causes of the DTC P0771 Acura?

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 P0771 Acura?

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 does this mean?

Code Tech Notes

When the a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0771 Acura 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0771 Acura Code

What does the OBDII code P0771 mean for an Acura?

P0771 indicates that the transmission control module (TCM) has detected that Shift Solenoid Valve 'E' is stuck in the "off" position, causing improper gear shifting.

What are the symptoms of P0771 in an Acura?

Common symptoms include harsh or delayed shifting, inability to shift into certain gears, poor acceleration, reduced fuel efficiency, and the check engine light being illuminated.

What causes the P0771 code to appear on an Acura?

Potential causes include a faulty shift solenoid valve 'E', low or dirty transmission fluid, damaged wiring or connectors in the transmission circuit, or internal transmission issues.

Can driving with a P0771 code damage my Acura?

Yes, driving with a stuck solenoid can cause further damage to the transmission, leading to costly repairs. It's best to address the issue as soon as possible.

How can I fix the P0771 code on my Acura?

Repairs may include replacing the faulty shift solenoid, flushing and refilling the transmission fluid, repairing damaged wiring, or addressing internal transmission problems.

How do I know if the shift solenoid valve 'E' is faulty?

A mechanic can perform diagnostic tests such as continuity checks on the solenoid's circuit or inspect the solenoid's operation using specialized tools.

Can low transmission fluid cause the P0771 code?

Yes, low or contaminated transmission fluid can cause solenoid malfunctions, leading to the P0771 code.

What tools are needed to diagnose P0771 on an Acura?

Youâ€™ll need an OBDII scanner, a multimeter for electrical testing, and possibly a transmission fluid pressure gauge for advanced diagnostics.

Is the P0771 code specific to Acura vehicles?

No, P0771 is a generic OBDII code, but its exact symptoms and fixes may vary between vehicle makes and models, including Acura.

How much does it cost to repair the P0771 code on an Acura?

Repair costs vary depending on the issue. Replacing a shift solenoid typically costs $150â€“$400, while transmission fluid flushes are generally $100â€“$200. Complex transmission repairs may cost significantly more.