P0123 2014 Chevrolet Silverado Code - Throttle Position Sensor Circuit High Voltage
Quick Answer
The Throttle Body Assembly contains a contact-less inductive throttle position sensing element that is managed by a customized integrated circuit. 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
- P0123 2014 Chevrolet Silverado indicates Throttle Position Sensor Circuit High 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 P0123 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0123 2014 Chevrolet Silverado?
- Faulty Throttle Body Assembly
- Throttle Body Assembly harness is open or shorted
- Throttle Body Assembly circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0123 2014 Chevrolet Silverado?
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 P0123 2014 Chevrolet Silverado 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 P0123 2014 Chevrolet Silverado Code
What does the OBDII code P0123 mean for a 2014 Chevrolet Silverado?
P0123 indicates that the Throttle Position Sensor (TPS) circuit is detecting a higher voltage than expected, typically above 4.5 volts.
What are the common symptoms of code P0123 in a 2014 Chevrolet Silverado?
Symptoms may include poor acceleration, rough idling, hesitation during acceleration, and the Check Engine Light being illuminated.
What causes the P0123 code to appear in a 2014 Chevrolet Silverado?
Common causes include a faulty Throttle Position Sensor (TPS), damaged wiring or connectors, or issues with the vehicle's Engine Control Module (ECM).
Can I drive my 2014 Chevrolet Silverado with the P0123 code active?
Driving with this code may be possible but is not recommended due to potential safety risks like erratic throttle response or reduced engine performance.
How do I diagnose the P0123 code on a 2014 Chevrolet Silverado?
Start by inspecting the TPS wiring and connectors for damage or corrosion. Use a multimeter to check the voltage levels at the TPS sensor and ensure they are within the specified range.
How do I fix the P0123 code on a 2014 Chevrolet Silverado?
Repairs may include replacing the Throttle Position Sensor, repairing damaged wiring or connectors, or reprogramming or replacing the ECM if necessary.
Does the P0123 code require a TPS sensor replacement on a 2014 Chevrolet Silverado?
Not always. If the sensor tests within specifications, the issue may lie in the wiring, connectors, or ECM.
How much does it cost to repair the P0123 code on a 2014 Chevrolet Silverado?
Costs vary depending on the repairs needed. Replacing the TPS sensor may cost $100-$300, while wiring or ECM repairs could add to the expense.
Can a dirty throttle body cause the P0123 code on a 2014 Chevrolet Silverado?
A dirty throttle body is unlikely to directly cause P0123, but cleaning it as part of routine maintenance may prevent other throttle-related issues.
Should I clear the P0123 code after repairs on a 2014 Chevrolet Silverado?
Yes, after completing repairs, clear the code with an OBDII scanner and test drive the vehicle to confirm the issue has been resolved.
Discuss the causes and fixes for P0123 2014 Chevrolet Silverado OBDII Code
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