How do I fix engine code po121?

How do I fix engine code po121?

What repairs can fix the P0121 code?

  1. Repairing or replacing the TPS connector.
  2. Repairing the wiring as necessary.
  3. Replace the TPS with a new sensor.

How do I fix code P0638?

How To Correct P0638 Throttle Actuator Control Range/Performance (Bank 1)

  1. Try cleaning the throttle body and its related wiring and harnesses. If it does not solve the problem check and replace the faulty parts.
  2. Repair, clean or replace bad throttle body connections.
  3. Try fixing the throttle body wiring system.

What does error code P0638 mean?

Throttle Actuator Control Range/Performance
P0638 is a diagnostic trouble code (DTC) for “Throttle Actuator Control Range/Performance (Bank 1)”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

What is the OBD II fault code p0638?

OBD II fault code P0638 is a generic code that is defined as “Throttle actuator control, Bank 1 -range/performance problem”, and is set when the PCM (Powertrain Control Module) detects a problem with the operation of the throttle control actuator on drive-by-wire systems.

What causes a throttle actuator to set code p0638?

Common causes of code P0638 could include the following-. Damaged, burnt, shorted, corroded, or disconnected wiring and/or connectors. Note that wiring issues in almost any part of the CAN bus system that is involved in throttle control can cause this code to set. Defective throttle actuator.

What does Bank One Bank One p0638 mean?

If it picks up that the throttle blade position is no longer in range, the P0638 code will show on the scanner. Bank one refers to the location of cylinder number one on the engine.

How much does it cost to diagnose p0638 on a car?

The cost of diagnosing the P0638 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.