AutoCodes – Honda – P0123 2019 Honda CR-V

P0123 2019 Honda CR-V Code - Throttle Position Sensor 'A' Circuit High Voltage

Quick Answer

The electronic throttle control system controls the throttle valve opening. Common causes include Faulty Throttle Body, Throttle Body harness is open or shorted, Throttle Body 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 2019 Honda CR-V indicates Throttle Position Sensor 'A' Circuit High Voltage.
Common causes: Common causes include Faulty Throttle Body, Throttle Body harness is open or shorted, Throttle Body 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.

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Code Popularity 301

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 02, 2023

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P0123 2019 Honda CR-V Description

The electronic throttle control system controls the throttle valve opening. The system includes the throttle actuator, the throttle valve, Throttle Position (TP) sensors 'A' and 'B', the Electronic Throttle Control System (ETCS) control relay, the Accelerator Pedal Position (APP) sensor, and the Powertrain Control Module (PCM). TP Sensor 'A' is a semiconductor type, and it is attached to the throttle body and shaft to determine the throttle valve position. The throttle valve position signal from TP Sensor 'A' is transmitted to the PCM for target position feedback control. If the signal from TP Sensor 'A' is a fixed value for a set time, the PCM detects a TP Sensor 'A' malfunction and stores a Diagnostic Trouble Code (DTC).

OBDII Code P0123 2019 Honda CR-V - Throttle Position Sensor 'A' Circuit High Voltage - AutoCodes.com — P0123 2019 Honda CR-V Code - Throttle Position Sensor 'A' Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P0123 2019 Honda CR-V?

Faulty Throttle Body
Throttle Body harness is open or shorted
Throttle Body circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0123 2019 Honda CR-V?

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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0123 2019 Honda CR-V 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.

Need more information about the P0123 2019 Honda CR-V code?

Need more information on how to fix the P0123 2019 Honda CR-V code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0123 2019 Honda CR-V Code

1. What are the common symptoms of OBDII code P0123 in a 2019 Honda CR-V?

When the throttle position sensor 'A' circuit registers high voltage, common symptoms include poor acceleration, stalling, rough idling, and potential issues with the transmission shifting smoothly.

2. What causes the Throttle Position Sensor 'A' Circuit High Voltage code in a 2019 Honda CR-V?

The P0123 code in a 2019 Honda CR-V is often triggered by a faulty throttle position sensor, a damaged sensor circuit, wiring issues, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the Throttle Position Sensor issue in my 2019 Honda CR-V?

To diagnose a potential problem with the throttle position sensor, you can use an OBDII scanner to read the trouble codes, perform a visual inspection of the sensor and its wiring, and conduct voltage tests to determine if the sensor is sending the correct signals.

4. Can I drive my 2019 Honda CR-V with OBDII code P0123?

While it may be possible to drive your CR-V with the P0123 code, it is not recommended as it can lead to poor performance, reduced fuel efficiency, and potential damage to other engine components. It's best to address the issue promptly.

5. How do I repair the Throttle Position Sensor 'A' Circuit High Voltage problem in my 2019 Honda CR-V?

Repairing the P0123 code in a 2019 Honda CR-V typically involves replacing the faulty throttle position sensor, repairing damaged wiring or connections, or reprogramming the ECM to resolve any issues with the sensor circuit.

6. Can a DIY enthusiast fix the P0123 code in a 2019 Honda CR-V?

While some minor repairs like checking connections or replacing the throttle position sensor can be done by a DIY enthusiast, diagnosing and repairing complex electrical issues related to the P0123 code may require professional expertise.

7. How much does it cost to fix the Throttle Position Sensor 'A' Circuit High Voltage issue in a 2019 Honda CR-V?

The cost of fixing the P0123 code in a 2019 Honda CR-V can vary depending on the exact cause of the problem, but it typically ranges from $100 to $300 for parts and labor.

8. Will resetting the OBDII code P0123 in my 2019 Honda CR-V make the problem disappear?

Resetting the P0123 code may temporarily turn off the check engine light, but if the underlying issue with the throttle position sensor or its circuit is not addressed, the code is likely to reappear after driving the vehicle for some time.

9. What are the long-term consequences of ignoring the Throttle Position Sensor 'A' Circuit High Voltage code in a 2019 Honda CR-V?

Continuing to drive your CR-V with the P0123 code can lead to decreased fuel efficiency, engine performance issues, potential damage to other engine components, and may eventually cause the vehicle to stall or fail to start.

10. Can extreme weather conditions affect the appearance of OBDII code P0123 in a 2019 Honda CR-V?

Extreme weather conditions, such as very high or very low temperatures, can sometimes exacerbate existing issues with the throttle position sensor or its circuit, potentially triggering the P0123 code in a 2019 Honda CR-V.