What is P2104 : Engine Error code Causes Explained
This guide covers the P2104 engine error code, its meaning, causes, and solutions. The throttle actuator control motor may malfunction, reducing engine performance and throttle control.
How to Identify a DTCs Number
The P2104 engine error code is related to the throttle actuator control system in your vehicle. To identify a Diagnostic Trouble Code (DTC) number like P2104, you would typically use an OBD-II scanner.
Understand, this trouble codes (DTCs) are 5 characters: 1 letter, 4 numbers. P-Powertrain indicates the fault code’s location. Generic or manufacturer-specific codes are indicated by the first digit. The second digit denotes the subsystem (7=transmission). The last two numbers describe the issue.
his tool connects to your vehicle’s OBD port and reads the trouble codes stored in the vehicle’s ECM. Once connected, the scanner will display the DTC numbers, such as P2104, which helps you understand the issue your vehicle is experiencing.
Causes of P2104 Error Code:
- Faulty throttle actuator:
The throttle actuator motor, if worn out, may not respond properly to ECM commands. - Damaged throttle position sensor:
A faulty throttle position sensor can send incorrect data to the ECM, triggering the code. - Engine control module (ECM) issues:
Engine control module (ECM) failures or software glitches can trigger the P2104 code. - Wiring problems:
Faulty wiring in the throttle system can disrupt communication and trigger the code. - Mass airflow sensor malfunction:
A faulty MAF sensor can mismeasure air intake, contributing to the P2104 code.
Risk Level of P2104 Error Code:
When the error code is classified as high-risk, it often indicates a more severe issue with the vehicle’s ability to control its throttle properly.
Immediate inspection and repairs are strongly recommended to prevent further damage and ensure vehicle safety.
Common Car Brands Affected by P2104 Code:
The P2104 engine error code is commonly found in the following list.
- Ford
- Hyundai
- Dodge
- Honda
- Toyota
- Subaru
- Chevrolet
Video: P2104 Engine Error code
FAQ’s
What is P2104 Error Code?
The P2104 error code indicates a problem with the throttle actuator control system, specifically a malfunction in the throttle actuator control motor or system. It can lead to improper throttle control.
What Causes the P2104 Error Code?
Causes include a faulty throttle body, damaged or corroded wiring, a malfunctioning throttle actuator control motor, or an issue with the electronic control module (ECM).
What is the Risk Level of the P2104 Code?
The risk level is high. This error can cause limited engine power, rough idling, stalling, or hesitation, leading to dangerous driving conditions, especially at high speeds or in traffic.
Which Vehicles are Affected by P2104?
P2104 can affect various vehicles, especially those with electronic throttle control systems, including models from Ford, Hyundai, Dodge, Honda, Toyota, Subaru and Chevrolet.