2006 Honda S2000FACTORY OEM SERVICE PROCEDURE

DTC Troubleshooting: Notes

DTC INDEX

DTC Description
P0122  TP Sensor A Circuit Low Voltage
P0123  TP Sensor A Circuit High Voltage
P0222  TP Sensor B Circuit Low Voltage
P0223  TP Sensor B Circuit High Voltage
P1683  Throttle Valve Default Position Spring Performance Problem
P1684  Throttle Valve Return Spring Performance Problem
P2101  Throttle Actuator System Malfunction
P2108  Throttle Actuator Control Module Problem
P2118  Throttle Actuator Current Range/Performance Problem
P2122  APP Sensor A (TP Sensor D) Circuit Low Voltage
P2123  APP Sensor A (Throttle Position Sensor D) Circuit High Voltage
P2127  APP Sensor B (TP Sensor E) Circuit Low Voltage
P2128  APP Sensor B (Throttle Position Sensor E) Circuit High Voltage
P2135  TP Sensor A/B Incorrect Voltage Correlation
P2138  APP Sensor A/B (TP Sensor D/E) Incorrect Voltage Correlation
P2176  Throttle Actuator Control System Idle Position Not Learned
P2552  ETCS Control Module Relay Malfunction
U0107  Lost Communication With Throttle Actuator Control Module
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.