Electronic Throttle Actuator Relay Repair Costs
Below are the typical repair costs for Electronic Throttle Actuator Relay services at our shop rate of $125/hour:
Basic Diagnostic and TestingInitial diagnosis including computer scanning and basic testing typically takes 1 hour.
Estimated Cost:$125
Relay Replacement OnlySimple relay replacement when the issue is clearly identified requires approximately 0.5-1 hour of labor plus parts.
Estimated Cost:$125-175(including standard relay)
Complex Diagnosis and Relay ReplacementWhen multiple systems need to be tested to isolate the problem, repair time typically ranges from 2-3 hours plus parts.
Estimated Cost:$250-375(including relay)
Full System RepairIn cases where the throttle body, wiring harness, or related components also need attention, repairs can take 3-5 hours.
Estimated Cost:$375-625(plus additional parts as needed)
Please note: These are estimated costs based on typical scenarios. Actual repair costs may vary depending on vehicle make, model, and the specific nature of the problem. Additional parts costs may apply.
All repairs include:
- Complete system diagnostic scan
- Post-repair testing
- 90-day warranty on labor
- Manufacturer warranty on parts
Electronic Throttle Actuator Relay Repair Procedures
Diagnosis
Before beginning any repair, confirm the electronic throttle actuator relay is faulty through these steps:
- Scan for diagnostic trouble codes (DTCs)
- Check for power at the relay terminals
- Listen for clicking sound when relay is energized
- Inspect for visible damage or corrosion
Basic Relay Replacement
Step 1:Locate the electronic throttle actuator relay
- Usually found in the main fuse/relay box under the hood
- Consult vehicle manual for exact location
Step 2:Remove the old relay
- Disconnect the negative battery terminal
- Remove any covers or panels protecting the relay box
- Carefully pull the old relay straight out of its socket
Step 3:Install new relay
- Verify the new relay matches the specifications of the original
- Insert the new relay into the socket, ensuring proper orientation
- Press firmly until seated
Step 4:Test the repair
- Reconnect the battery
- Start the vehicle and verify proper throttle operation
- Clear any stored DTCs
- Test drive to confirm fix
Advanced Repair (Circuit Issues)
If problems persist after relay replacement:
- Check wiring harness for damage or corrosion
- Test circuit continuity
- Inspect connector terminals
- Verify proper voltage at all relay terminals
Note: Some vehicles may require programming or adaptation procedures after relay replacement. Consult manufacturer specifications for your specific model.
Important Safety Notice:Always follow proper safety procedures when working with electrical components. If unsure, consult a professional technician.
Preventive Maintenance
To prevent future failures:
- Keep relay box clean and dry
- Inspect connections periodically
- Address check engine lights promptly
- Maintain proper battery voltage
Average Repair Time:30-60 minutes
Skill Level Required:Intermediate
Tools Needed:Basic hand tools, diagnostic scanner, multimeter
Understanding Electronic Throttle Actuator Relays
AnElectronic Throttle Actuator Relayis a crucial component in modern vehicles equipped with electronic throttle control systems (also known as drive-by-wire). This relay serves as a switching device that controls the power supply to the electronic throttle body actuator.
What Does an Electronic Throttle Actuator Relay Do
The Electronic Throttle Actuator Relay performs several important functions:
- Power Management:Controls the electrical power delivered to the throttle actuator motor
- Safety Control:Provides a fail-safe mechanism to cut power to the throttle if necessary
- System Protection:Helps protect the throttle actuator from electrical surges and overload
How It Works
When you press the accelerator pedal, the following sequence occurs:
- The pedal position sensor sends a signal to the Engine Control Module (ECM)
- The ECM activates the Electronic Throttle Actuator Relay
- The relay switches on, allowing current to flow to the throttle actuator
- The throttle actuator adjusts the throttle plate position accordingly
Signs of a Failing Electronic Throttle Actuator Relay
Common symptoms of a faulty relay include:
- Inconsistent throttle response
- Check Engine light illumination
- Sudden loss of power while driving
- Engine stalling
- Difficulty accelerating
Regular maintenance and prompt attention to any symptoms can help prevent more serious issues and ensure optimal vehicle performance.
Common Failure Symptoms of Electronic Throttle Actuator Relay: Warning Signs to Watch For
Electronic Throttle Actuator Relay: Signs of Failure & Maintenance Guide
Common Signs of Electronic Throttle Actuator Relay Failure
Check Engine Light
One of the first indicators of a failing throttle actuator relay is an illuminated check engine light. The vehicle's computer system will detect irregular voltage or performance issues and trigger this warning.
Inconsistent Idle
When the relay begins to fail, you may notice:
- Rough or unstable idle
- Engine RPMs fluctuating without input
- Stalling at stoplight or when stationary
Acceleration Issues
A faulty relay can cause:
- Delayed throttle response
- Sudden acceleration surges
- Hesitation when pressing the gas pedal
Starting Problems
The vehicle may:
- Have difficulty starting
- Require multiple attempts to start
- Exhibit a delayed start
Maintenance Schedule
Regular Inspection
While there's no specific replacement interval for the electronic throttle actuator relay, it should be inspected:
- During routine maintenance (every 30,000 miles)
- When performing diagnostic tests
- If any of the above symptoms occur
Preventative Maintenance
To maximize relay life:
- Keep electrical connections clean and free from corrosion
- Protect from excessive moisture and heat
- Address check engine lights promptly
- Consider replacement around 100,000 miles if experiencing issues
Note: Specific maintenance intervals may vary by vehicle make and model. Consult your vehicle's manual or speak with our certified technicians for model-specific guidance.
How It Works
- Get a quote online or set-up a time to have your vehicle looked at.
- Pick time slots that work for you, easily, online.
- We will confirm appointments and send reminders.
- Our mechanics bring everything that is needed to you.
- All you have to do is provided a safe area for the work to be performed.
What we need from you
- A safe place to work on your vehicle
- No working on the side of busy roads
- No working on unstable or steep surfaces.
- We do not perform repairs during severe weather.
- Authorization from a property owner or management.
- Repair work done in a parking lot or at your requires permission.
- We do not do repairs in areas restricted by law.
Common Questions
Service Area
Our primary service area is greater Grand Rapids and includes Comstock Park, East Grand Rapids, Grandville, Kentwood, Walker, and Wyoming
Our secondary service area is provided by our Belding location and includes: Belding, Greenville, Ionia and the sorrounding areas.
Contact us if you have any questions about where we provide services.
