How much does it cost to fix the electronic throttle control?

Most electronic throttle control (ETC) fixes cost between $150 and $400 for cleaning or sensor-related repairs, while full throttle body replacements typically run $400 to $1,200, and can exceed $1,500 on some luxury or turbocharged vehicles. Expect $100 to $180 for diagnostics and $0 to $200 for software updates or throttle relearn procedures. Prices vary by vehicle, parts availability, labor rates, and whether calibration/programming is required.

What the electronic throttle control repair involves

Modern vehicles use drive-by-wire systems: the accelerator pedal sends an electrical signal to the engine control module (ECM), which commands a motorized throttle body to open. Repairs can target the throttle body (which often includes the throttle position sensors), the accelerator pedal position (APP) sensor, wiring/connectors, or the software controlling the system. Many fixes also require a throttle relearn or calibration after parts are serviced or replaced.

Typical cost ranges by repair type

The following list outlines common ETC-related services and what drivers in most U.S. markets can expect to pay, including parts and labor. Regional labor rates, vehicle make/model, and shop type (dealer vs. independent) will affect totals.

• Computer scan and diagnosis: $100–$180 (often credited toward repair if you proceed).
• Throttle body cleaning and relearn: $120–$250 (cleaner, labor, gasket if needed, plus calibration).
• Accelerator Pedal Position (APP) sensor replacement: $150–$400 (some pedals include the sensor as one unit).
• Throttle body replacement (with integrated sensors): $400–$1,200 total; $1,000–$1,800 on some luxury/performance models. Parts typically $200–$800; labor 1.0–2.0 hours.
• Wiring/connector repair (corrosion, broken pins, shorts): $150–$600 depending on severity and access.
• Software update/flash or throttle relearn only: $0–$200 (sometimes included in diagnostic fee).
• Related services (intake boot replacement, vacuum leak fixes, battery/ground repairs): $50–$300 depending on parts and time.

In practice, many drivability complaints are resolved with cleaning, relearn, or a sensor/pedal replacement on the lower end of the range; full throttle body replacement accounts for the higher totals.

What drives the price up or down

ETC repair costs are influenced by several factors beyond the part itself. Understanding these can help you anticipate your bill and choose the best repair path.

• Vehicle make/model: European luxury brands and turbocharged engines often have pricier parts and labor.
• Parts design: Many throttle bodies include integrated sensors, meaning you replace the whole unit.
• Calibration/programming: Some cars require factory-level tools to perform throttle adaptation or software updates.
• Labor rate and access: Shop rates vary (~$90–$170/hr), and tight engine bays add time.
• Electrical issues: Intermittent wiring faults can add diagnostic time.
• Warranty or coverage: Powertrain or extended warranties may reduce out-of-pocket costs.
• Core charges and part availability: Remanufactured units may carry a core deposit; supply constraints can affect price.

Clarifying these variables with your shop helps prevent surprises and may reveal lower-cost alternatives that still fix the issue.

Symptoms that point to ETC problems

If you’re seeing drivability issues, these common signs can indicate an ETC-related fault and help you decide when to seek service.

• Check Engine Light with codes like P2101–P2119, P0121–P0123, P2135–P2138; EPC light on VW/Audi.
• Limp mode, sudden loss of power, or delayed/erratic throttle response.
• High or unstable idle, stalling, or surging at stoplights.
• Disabled cruise control or traction control warnings tied to throttle faults.

Because ETC faults can trigger limp mode for safety, timely diagnostics can prevent unsafe operation and secondary damage.

Time estimates for common repairs

Turnaround is typically same-day for most ETC services, but programming or parts sourcing can extend timelines.

Typical shop time: diagnostics 0.5–1.0 hr; cleaning 0.5–1.0 hr plus 0.2 hr relearn; APP sensor 0.5–1.5 hr; throttle body replacement 1.0–2.5 hr; wiring repairs 1.0–3.0+ hr depending on access and complexity.

Can you DIY an ETC fix?

Some owners can safely address minor ETC issues, but many repairs require scan tools, calibration steps, and careful handling to avoid damage.

• Reasonable DIY: Inspecting connectors, checking grounds, and cleaning a dirty throttle body (use throttle-body-safe cleaner; avoid forcing the plate on drive-by-wire units).
• Relearn procedures: Many vehicles need an idle/throttle relearn after cleaning or battery disconnect—steps vary by model and may require a capable scan tool.
• Not ideal DIY: Wiring fault tracing, programming/flash updates, or throttle body replacement on vehicles requiring factory calibration.
• Tools to have: OBD-II scanner (ideally with live data and relearn functions), torque wrench, new gasket, dielectric grease for connectors.

If you lack a scan tool that can initiate relearns, consider having a shop perform the adaptation to avoid rough idle or fault codes after a DIY cleaning.

How to save money and what to ask a shop

Being proactive with questions can lower costs and ensure the repair addresses the root cause.

• Ask for the exact trouble codes and freeze-frame data; request a printout.
• Confirm whether cleaning and a relearn were attempted before recommending replacement.
• Compare OEM vs. quality aftermarket throttle bodies; verify warranty (12 mo/12k mi or better).
• Check for TSBs or known issues/extended coverage for your VIN; some OEMs have goodwill policies.
• Ensure throttle calibration/relearn and any software updates are included in the quote.
• Have the shop inspect grounds, battery health, and connectors to rule out low-voltage or corrosion issues.
• Get quotes from a reputable independent shop as well as the dealer—prices can differ significantly.

A thorough diagnostic and transparent quote can prevent replacing expensive parts when a lower-cost fix would suffice.

Warranty and recall considerations

Throttle bodies aren’t universally covered under federal emissions warranties, but some components may be. Powertrain warranties (often 5 yr/60k mi) or brand-specific policies might cover ETC failures, and certain models have technical service bulletins or recalls addressing throttle performance. Always run your VIN for open recalls and ask the dealer to check for TSBs or extended coverage before paying out of pocket.

Example price scenarios

These scenarios illustrate real-world ranges you might encounter at independent shops versus dealerships in the U.S.

• Mainstream sedan (e.g., Toyota Camry): Clean and relearn $150–$220; throttle body replacement $350–$700 installed.
• Full-size pickup (e.g., Ford F-150 5.0/3.5): APP sensor $200–$350; throttle body $450–$900 installed.
• VW/Audi with EPC light: Cleaning/relearn or APP sensor $200–$450; throttle body $600–$1,100 installed.
• European luxury (e.g., BMW/Mercedes): Throttle body $800–$1,600 installed; programming may add to cost.
• Wiring/connector corrosion fix: $200–$600 depending on harness access and repair length.

Your exact cost will hinge on diagnostics and whether the issue is contamination, a failing sensor, a bad motorized throttle unit, or an electrical/software fault.

Summary

Fixing an electronic throttle control typically costs $150–$400 for cleaning or sensor-related work, and $400–$1,200 for throttle body replacement, with diagnostics around $100–$180 and possible software/relearn fees up to $200. Get the codes, verify whether cleaning and relearn resolve the issue, compare parts options, and check for TSBs or warranty coverage to keep costs in check. Prices vary by vehicle, required calibration, and shop rates, so a clear diagnostic and itemized quote are key.

How to reset electronic throttle control?

Then pop the hood and locate the battery. Use a wrench to loosen the nut on the black cable which is the negative terminal. Once it’s loose carefully pull the cable off the battery.

What causes electronic throttle control to fail?

Electronic throttle control (ETC) problems are often caused by a dirty or sticking throttle body due to carbon buildup, faulty sensors (like the accelerator pedal position sensor or throttle position sensor), internal wear in the throttle body’s motor or gears, or wiring issues affecting electrical signals to and from the system. These issues can trigger warning lights, lead to a vehicle’s engine going into “limp mode” (limited power), or cause symptoms like poor acceleration or a rough idle.
 
This video explains how a dirty throttle body can cause a rough idle and other issues: 57sEasyAutoFixYouTube · Dec 31, 2022
Common Causes of ETC Problems

• Dirty Throttle Body: Carbon deposits, oil, and fuel contaminants from the Exhaust Gas Recirculation (EGR) system can build up on the throttle plate, obstructing airflow and causing it to stick or operate unevenly. 
• Faulty Sensors:
  • Accelerator Pedal Position Sensor (APPS): A malfunctioning APPS can send incorrect signals to the engine’s computer, leading to erratic acceleration. 
  • Throttle Position Sensor (TPS): The TPS monitors the throttle valve’s position; a faulty sensor can provide inaccurate information, triggering an ETC light. 
• Internal Throttle Body Failure: Problems with the electric motor, its gears, or the butterfly valve itself can occur. Worn gear teeth can cause lag between the computer command and the actual movement of the throttle plate. 
• Wiring Issues: Damaged or loose wiring in the ETC system, which includes the throttle body, accelerator pedal sensor, and engine control module (ECM), can disrupt communication between components. 
• Engine Control Module (ECM) Malfunction: While less common, a faulty ECM can fail to properly control the ETC system, leading to malfunctions. 
• Electromagnetic Interference: In some cases, external electromagnetic interference can disrupt the electronic signals within the ETC system. 

You can watch this video to learn about how faulty wiring can cause electronic throttle control issues: 1mCarsNToysYouTube · Aug 30, 2022
Symptoms of ETC Problems

• Warning Lights: The Check Engine light, Traction Control light, or a dedicated Electronic Throttle Control (ETC) warning light will illuminate. 
• Limp Mode: The vehicle’s engine power is electronically limited as a safety measure to prevent damage. 
• Poor Acceleration: The vehicle may feel sluggish, hesitant, or slow to pick up speed. 
• Rough or High Idle: Carbon buildup can cause the idle speed to be too low, too high, or fluctuate. 
• Stalling: In severe cases, the vehicle may stall. 
• Intermittent Operation: The problem might appear and disappear, sometimes resolving temporarily by restarting the engine. 

Is electronic throttle control expensive to fix?

Electronic throttle control (ETC) repairs can be expensive, with replacement costs for a faulty throttle body ranging from $70 to over $1,000, depending on the vehicle’s part cost and labor rates in your area. A simple cleaning might be a cheaper fix, but a complete throttle body replacement is the most common repair for ETC issues, and labor costs, diagnostic fees, and the need for a special “re-learn” procedure on some vehicles can add to the expense.
 
Factors influencing cost:

• Diagnostic fees: Mechanics must run diagnostics to pinpoint the exact issue, which can be costly. 
• Parts cost: The price of the new throttle body itself varies significantly by make and model. 
• Labor rates: These hourly charges from the repair shop differ based on your location and the specific mechanic. 
• “Re-learn” procedure: Some vehicles require a special electronic re-learn procedure after a throttle body replacement, which adds to the labor time and cost. 

What you can expect:

• Cleaning: A simple cleaning of a dirty throttle body can be a low-cost solution. 
• Replacement: If the throttle body needs to be replaced, the total cost combines the part and labor. For example, a 2014 Chrysler 200 throttle body replacement can range from $472 to $522, while costs for other vehicles can be significantly different. 
• Other repairs: The problem might stem from a cheaper part, like a throttle position sensor, rather than the entire throttle body. 

To get a more accurate estimate:

• Get multiple estimates: Contact several mechanics for quotes based on your specific vehicle. 
• Provide details: Be prepared to provide details about your vehicle’s make, model, and year to get the most accurate estimate. 
• Ask about the re-learn procedure: Inquire if the repair will include the electronic re-learn procedure, which can add to the total cost. 

Can you drive with a bad electronic throttle control?

No, driving with a flashing electronic throttle control light is not recommended. It signals a serious issue with the electronic throttle control system, and continuing to drive could damage the engine or lead to a sudden loss of power.