P2102 GMC Code - Throttle Actuator Control Motor Control Circuit Low Voltage
Quick Answer
The Engine Control Module (ECM) is the control center for the throttle body Throttle Actuator Control (TAC) system. Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly circuit poor electrical connection. 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
- P2102 GMC indicates Throttle Actuator Control Motor Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly circuit poor electrical connection.
- 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 P2102 GMC Description
Two processors are also used to monitor the throttle body (TAC) motor system data. Both processors are located within the ECM. Both processors monitor each other's data to verify that the indicated throttle position is correct.
The Diagnostic Trouble Code (DTC) will set when the ECM detects an overheating or over-current condition. The condition exists for 1 s.
What are the Possible Causes of the DTC P2102 GMC?
- Faulty Throttle Body Assembly
- Throttle Body Assembly harness is open or shorted
- Throttle Body Assembly circuit poor electrical connection
How to Fix the DTC P2102 GMC?
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 P2102 GMC 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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Frequently Asked Questions about P2102 GMC Code
1. What are the common symptoms of OBDII code P2102 in a GMC vehicle?
- Common symptoms include reduced engine power, stalling, rough idling, and difficulty accelerating.
2. What could cause the Throttle Actuator Control Motor Control Circuit Low Voltage error code P2102 in a GMC?
- The code P2102 can be triggered by issues such as a faulty throttle actuator control motor, damaged wiring, or a defective throttle position sensor.
3. How serious is the P2102 code in a GMC vehicle?
- The P2102 code should be addressed promptly as it can affect the vehicle's drivability and may lead to safety concerns on the road.
4. Can a DIY enthusiast repair the P2102 code in a GMC, or is professional help required?
- Depending on your skill level, you may be able to troubleshoot and repair the P2102 code yourself by checking the wiring and connectors, or replacing the throttle actuator control motor if necessary. However, if you are unsure, it's best to seek professional help.
5. Are there any quick temporary fixes for the P2102 code in a GMC?
- There are no recommended temporary fixes for the P2102 code. It's best to address the underlying issue promptly to prevent further damage to the vehicle.
6. How much does it typically cost to repair the P2102 code in a GMC at a repair shop?
- Repair costs for the P2102 code can vary depending on the specific cause of the issue, but it may range from $200 to $500 or more, including parts and labor.
7. Can driving with the P2102 code in a GMC cause any long-term damage to the vehicle?
- Continuing to drive with the P2102 code may lead to further damage to the throttle system and other engine components, so it's best to address the issue as soon as possible.
8. Will resetting the OBDII system clear the P2102 code in a GMC?
- Resetting the OBDII system may temporarily clear the P2102 code, but if the underlying issue is not addressed, the code is likely to reappear after some driving cycles.
9. Is it safe to drive a GMC with the P2102 code, or should the vehicle be towed to a repair shop?
- It is generally not recommended to drive a GMC with the P2102 code, as it can affect the vehicle's performance and safety. It's best to have the vehicle towed to a repair shop for proper diagnosis and repair.
10. How can I prevent the P2102 code from appearing in my GMC in the future?
- To prevent the P2102 code, it's important to maintain regular vehicle inspections, address any engine performance issues promptly, and follow the manufacturer's recommended maintenance schedule for your GMC.
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