2021 Honda Civic Si Repair Guides

P01012021 Honda Civic Si P0101 — Mass Air Flow Sensor Range Performance Diagnosis & Fix

Complete guide to diagnosing and fixing the P0101 (mass air flow sensor range performance) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P01132021 Honda Civic Si P0113 — Intake Air Temperature Circuit High Diagnosis & Fix

Complete guide to diagnosing and fixing the P0113 (intake air temperature circuit high) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Easy

30 min - 1 hour

P01172021 Honda Civic Si P0117 — Engine Coolant Temperature Circuit Low Diagnosis & Fix

Complete guide to diagnosing and fixing the P0117 (engine coolant temperature circuit low) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Easy

30 min - 1 hour

P01182021 Honda Civic Si P0118 — Engine Coolant Temperature Circuit High Diagnosis & Fix

Complete guide to diagnosing and fixing the P0118 (engine coolant temperature circuit high) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Easy

30 min - 1 hour

P01742021 Honda Civic Si P0174 — System Too Lean Bank 2 Diagnosis & Fix

Complete guide to diagnosing and fixing the P0174 (system too lean bank 2) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

2-4 hours

P05002021 Honda Civic Si P0500 — Vehicle Speed Sensor Malfunction Diagnosis & Fix

Complete guide to diagnosing and fixing the P0500 (vehicle speed sensor malfunction) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P05012021 Honda Civic Si P0501 — Vehicle Speed Sensor Range Performance Diagnosis & Fix

Complete guide to diagnosing and fixing the P0501 (vehicle speed sensor range performance) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P05712021 Honda Civic Si P0571 — Brake Switch A Circuit Malfunction Diagnosis & Fix

Complete guide to diagnosing and fixing the P0571 (brake switch a circuit malfunction) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P05722021 Honda Civic Si P0572 — Brake Switch A Circuit Low Diagnosis & Fix

Complete guide to diagnosing and fixing the P0572 (brake switch a circuit low) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P06032021 Honda Civic Si P0603 — Internal Control Keep Alive Memory Error Diagnosis & Fix

Complete guide to diagnosing and fixing the P0603 (internal control keep alive memory error) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

3-5 hours

P07172021 Honda Civic Si P0717 — Input Turbine Speed Sensor Circuit No Signal Diagnosis & Fix

Complete guide to diagnosing and fixing the P0717 (input turbine speed sensor circuit no signal) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

2-3 hours

P07512021 Honda Civic Si P0751 — Shift Solenoid A Performance Diagnosis & Fix

Complete guide to diagnosing and fixing the P0751 (shift solenoid a performance) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

3-5 hours

P07662021 Honda Civic Si P0766 — Shift Solenoid D Performance Diagnosis & Fix

Complete guide to diagnosing and fixing the P0766 (shift solenoid d performance) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

3-5 hours

P11012021 Honda Civic Si P1101 — Barometric Pressure Circuit Range Performance Diagnosis & Fix

Complete guide to diagnosing and fixing the P1101 (barometric pressure circuit range performance) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P11072021 Honda Civic Si P1107 — Manifold Absolute Pressure Circuit Low Diagnosis & Fix

Complete guide to diagnosing and fixing the P1107 (manifold absolute pressure circuit low) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P11352021 Honda Civic Si P1135 — Camshaft Position Sensor Circuit Malfunction Diagnosis & Fix

Complete guide to diagnosing and fixing the P1135 (camshaft position sensor circuit malfunction) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P12172021 Honda Civic Si P1217 — Fuel Injector Circuit Short Cylinder 4 Diagnosis & Fix

Complete guide to diagnosing and fixing the P1217 (fuel injector circuit short cylinder 4) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P12212021 Honda Civic Si P1221 — Fuel Injector Power Stage Circuit Range Performance Diagnosis & Fix

Complete guide to diagnosing and fixing the P1221 (fuel injector power stage circuit range performance) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P12222021 Honda Civic Si P1222 — Fuel Injector Power Stage Circuit Low Diagnosis & Fix

Complete guide to diagnosing and fixing the P1222 (fuel injector power stage circuit low) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P12372021 Honda Civic Si P1237 — Direct Injection Fuel Pressure Circuit Low Diagnosis & Fix

Complete guide to diagnosing and fixing the P1237 (direct injection fuel pressure circuit low) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

2-4 hours

U01212021 Honda Civic Si U0121 — Lost Communication With Abs Module Diagnosis & Fix

Complete guide to diagnosing and fixing the U0121 (lost communication with abs module) error code on your 2021 Honda Civic Si. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

3-5 hours