Engine-CodesHonda – P1220 Honda

P1220 Honda Code - Series Throttle Control System Malfunction

Quick Answer

The P1220 diagnostic trouble code (DTC) for Honda vehicles refers to a Series Throttle Control System Malfunction. Common causes include Faulty throttle position sensor, Malfunctioning throttle body, Issues with the throttle actuator. 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
P1220 Honda indicates Series Throttle Control System Malfunction.
Common causes
Common causes include Faulty throttle position sensor, Malfunctioning throttle body, Issues with the throttle actuator.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1220 Honda Description

The P1220 diagnostic trouble code (DTC) for Honda vehicles refers to a Series Throttle Control System Malfunction. This code indicates that there is an issue with the throttle control system in the vehicle. The throttle control system is responsible for regulating the amount of air entering the engine, which in turn affects the engine's performance and fuel efficiency.

OBDII Code P1220 Honda - Series Throttle Control System Malfunction
P1220 Honda Code - Series Throttle Control System Malfunction

Common Causes of P1220 Honda

  1. Faulty throttle position sensor
  2. Malfunctioning throttle body
  3. Issues with the throttle actuator
  4. Wiring or electrical problems in the throttle control system
  5. Dirty or clogged throttle body

Symptoms of P1220 Honda

  1. Rough idling
  2. Stalling
  3. Poor acceleration
  4. Reduced fuel efficiency
  5. Engine misfires

How to Fix P1220 Honda

  1. Diagnose the issue by connecting a scan tool to the vehicle's onboard diagnostic system to retrieve the specific trouble codes.
  2. Inspect the throttle control system components, including the throttle position sensor, throttle body, and throttle actuator, for any signs of damage or wear.
  3. Clean the throttle body to remove any dirt or debris that could be causing the malfunction.
  4. Test the throttle position sensor and throttle actuator for proper functioning and replace them if necessary.
  5. Clear the trouble codes from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1220 Honda

The cost of repairing a Series Throttle Control System Malfunction (P1220) in a Honda vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $100 to $500, while labor costs can range from $100 to $300. This means that the total repair cost can range from $200 to $800.

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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.

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