AutoCodes – Honda – P0122 2020 Honda CR-V

P0122 2020 Honda CR-V Code - Throttle Position Sensor 'A' Circuit Low 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: P0122 2020 Honda CR-V indicates Throttle Position Sensor 'A' Circuit Low 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 216

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 P0122 2020 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 P0122 2020 Honda CR-V - Throttle Position Sensor 'A' Circuit Low Voltage - AutoCodes.com — P0122 2020 Honda CR-V Code - Throttle Position Sensor 'A' Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0122 2020 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 P0122 2020 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 P0122 2020 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 P0122 2020 Honda CR-V code?

Need more information on how to fix the P0122 2020 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P0122 2020 Honda CR-V Code

1. What are common symptoms of OBDII code P0122 in a 2020 Honda CR-V?

The common symptoms include reduced engine power, poor acceleration, stalling, and possible difficulty shifting gears.

2. What does the OBDII code P0122 indicate in a 2020 Honda CR-V?

OBDII code P0122 indicates a low voltage condition in the throttle position sensor 'A' circuit of the vehicle.

3. What are the possible causes of OBDII code P0122 in a 2020 Honda CR-V?

Possible causes include a faulty throttle position sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module.

4. How can I diagnose the cause of OBDII code P0122 in my 2020 Honda CR-V?

You can use a multimeter to test the throttle position sensor's voltage output, check the sensor's wiring and connectors for damage, and perform a thorough inspection of the throttle system.

5. Can I still drive my 2020 Honda CR-V with OBDII code P0122?

It is not recommended to drive the vehicle with OBDII code P0122, as it can lead to further damage and potentially unsafe driving conditions.

6. How can I repair OBDII code P0122 in my 2020 Honda CR-V?

Repair options include replacing the throttle position sensor, repairing damaged wiring or connectors, or resetting the engine control module after fixing any underlying issues.

7. Are there any DIY tips for addressing OBDII code P0122 in a 2020 Honda CR-V?

While basic troubleshooting like checking connections and wiring can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

8. Will resetting the OBDII code P0122 in my 2020 Honda CR-V make it go away permanently?

Resetting the code without addressing the underlying issue will not fix the problem permanently. It's crucial to diagnose and repair the root cause of the code to prevent it from reoccurring.

9. How much does it cost to fix OBDII code P0122 in a 2020 Honda CR-V?

The cost of fixing OBDII code P0122 can vary depending on the exact cause of the issue, but it typically involves the cost of parts and labor for sensor replacement or wiring repairs.

10. Can OBDII code P0122 in a 2020 Honda CR-V affect fuel efficiency?

Yes, OBDII code P0122 can affect fuel efficiency by causing improper throttle response, leading to inefficient engine operation and increased fuel consumption.