Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 69 (ELECTRONIC THROTTLE CONTROL SYSTEM)DTC
2002 Honda Civic Si
Section 69 (Electronic Throttle Control System): DTC
2002 Honda Civic SiSECTION DTC
WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
DTC CHART
| DTC | Description |
|---|---|
| DTC P0122 | TP Sensor A Circuit Low Voltage |
| DTC P0123 | TP Sensor A Circuit High Voltage |
| DTC P0222 | TP Sensor B Circuit Low Voltage |
| DTC P0223 | TP Sensor B Circuit High Voltage |
| DTC P1683 | Throttle Valve Default Position Spring Performance Problem |
| DTC P1684 | Throttle Valve Return Spring Performance Problem |
| DTC P2101 | Throttle Actuator System Malfunction |
| DTC P2108 | Throttle Actuator Control Module Problem |
| DTC P2118 | Throttle Actuator Current Range/Performance Problem |
| DTC P2122 | APP Sensor A (TP Sensor D) Circuit Low Voltage |
| DTC P2123 | APP Sensor A (TP Sensor D) Circuit High Voltage |
| DTC P2127 | APP Sensor B (TP Sensor E) Circuit Low Voltage |
| DTC P2128 | APP Sensor B (TP Sensor E) Circuit High Voltage |
| DTC P2135 | Throttle Position Sensor A/B Incorrect Voltage Correlation |
| DTC P2138 | APP Sensor A/B (TP Sensor D/E) Incorrect Voltage Correlation |
| DTC P2176 | Throttle Actuator Control System Idle Position Not Learned |
| DTC P2552 | Throttle Actuator Control Module Relay Malfunction |
| DTC U0107 | Lost Communication with Throttle Actuator Control Module |
RENDER: 1.0x
NO RELATED
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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.