P2118 Code - Throttle Actuator Control Motor Current Range / Performance
Quick Answer
The Electronic Throttle Control System (ETCS) has a dedicated power supply circuit. Common causes include Electronic Throttle Control System (ETCS) Fuse, Faulty Battery, Loose or damaged battery terminals. 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
- P2118 indicates Throttle Actuator Control Motor Current Range / Performance.
- Common causes
- Common causes include Electronic Throttle Control System (ETCS) Fuse, Faulty Battery, Loose or damaged battery terminals.
- 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 P2118 Description
The ECM monitors the battery supply voltage applied to the throttle actuator. When the power supply voltage (+BM) is less than 4 V for 0.8 seconds or more, the ECM interprets this as an open in the power supply circuit (+BM). The ECM illuminates the MIL and stores the Diagnostic Trouble Code (DTC).
What are the Possible Causes of the DTC P2118?
- Electronic Throttle Control System (ETCS) Fuse
- Faulty Battery
- Loose or damaged battery terminals
- Faulty Throttle with Motor Body Assembly
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2118?
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 P2118 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
- P2118 Acura — Throttle Actuator Current Range/Performance Problem
- P2118 Chrysler — Electronic Throttle Control Motor Circuit
- P2118 Dodge — Electronic Throttle Control Motor Circuit
- P2118 Ford — Throttle Actuator 'A' Control Motor Current Range/Performance
- P2118 Honda — Throttle Actuator Current Range/Performance Problem
- P2118 Hyundai — Throttle Actuator Control Motor Current Range/Performance
- P2118 Infiniti — Throttle Control Motor Circuit Short Bank 1
- P2118 Jeep — Electronic Throttle Control Motor Circuit
- P2118 KIA — Throttle Actuator Control Motor Current Range/Performance
- P2118 Lexus — Throttle Actuator Control Motor Current Range / Performance
- P2118 Lincoln — Throttle Actuator 'A' Control Motor Current Range/Performance
- P2118 Mercury — Throttle Actuator 'A' Control Motor Current Range/Performance
- P2118 Mitsubishi — Throttle Actuator Control Motor Current Range/Performance
- P2118 Nissan — Throttle Control Motor Circuit Short Bank 1
- P2118 Scion — Throttle Actuator Control Motor Current Range / Performance
- P2118 Toyota — Throttle Actuator Control Motor Current Range / Performance
Frequently Asked Questions about P2118 Code
1. What are the common symptoms of OBDII code P2118?
- Common symptoms include engine stalling, rough idle, lack of power, and the vehicle going into limp mode.
2. What are the possible causes of OBDII code P2118?
- Possible causes include a faulty throttle body, damaged wiring or connectors, a malfunctioning throttle actuator control motor, or a problem with the powertrain control module (PCM).
3. How can I diagnose OBDII code P2118?
- Diagnosis involves using a scan tool to read the code, checking the throttle actuator control motor for proper operation, inspecting wiring and connectors for damage, and testing the PCM for any faults.
4. Can I drive my vehicle with OBDII code P2118?
- It is not recommended to drive the vehicle with this code as it can lead to performance issues and potential safety hazards. It is best to address the issue promptly.
5. How can I repair OBDII code P2118?
- Repair options may include replacing the throttle body, repairing damaged wiring or connectors, replacing the throttle actuator control motor, or reprogramming the PCM if necessary.
6. Is OBDII code P2118 a serious issue?
- Yes, OBDII code P2118 should be taken seriously as it can affect the drivability and performance of the vehicle. Ignoring the issue may lead to further damage or safety concerns.
7. Can a DIY enthusiast fix OBDII code P2118?
- Depending on their skill level and access to tools, a DIY enthusiast may be able to address simpler causes of the code, such as checking and cleaning connectors or replacing the throttle actuator control motor.
8. How long does it typically take to repair OBDII code P2118?
- The repair time can vary depending on the exact cause of the code and the availability of parts. It may take a few hours to a full day to diagnose and repair the issue.
9. Will resetting the OBDII code P2118 solve the problem?
- Resetting the code may temporarily clear the error, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause.
10. Is it necessary to visit a mechanic for OBDII code P2118?
- While some DIY repairs may be possible, it is recommended to visit a qualified mechanic for proper diagnosis and repair of OBDII code P2118 to ensure the issue is resolved correctly.
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