2021 Honda Civic Repair Guides

P01032021 Honda Civic P0103 — Mass Air Flow Sensor Circuit High Diagnosis & Fix

Complete guide to diagnosing and fixing the P0103 (mass air flow sensor circuit high) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P01122021 Honda Civic P0112 — Intake Air Temperature Circuit Low Diagnosis & Fix

Complete guide to diagnosing and fixing the P0112 (intake air temperature circuit low) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Easy

30 min - 1 hour

P01132021 Honda Civic 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. Includes step-by-step instructions, repair costs, and expert tips.

Easy

30 min - 1 hour

P01182021 Honda Civic 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. Includes step-by-step instructions, repair costs, and expert tips.

Easy

30 min - 1 hour

P01302021 Honda Civic P0130 — O2 Sensor Circuit Malfunction Bank 1 Sensor 1 Diagnosis & Fix

Complete guide to diagnosing and fixing the P0130 (o2 sensor circuit malfunction bank 1 sensor 1) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P01352021 Honda Civic P0135 — O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 Diagnosis & Fix

Complete guide to diagnosing and fixing the P0135 (o2 sensor heater circuit malfunction bank 1 sensor 1) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P02902021 HONDA CIVIC P0290 — Cylinder 8 Injector Circuit Intermittent Diagnosis & Fix

Complete guide to diagnosing and repairing P0290 (Cylinder 8 Injector Circuit Intermittent) in your 2021 HONDA CIVIC. Includes testing procedures, resistance specs, and repair steps.

Moderate

2-3 hours

P03012021 Honda Civic P0301 — Cylinder 1 Misfire Detected Diagnosis & Fix

Complete guide to diagnosing and fixing the P0301 (cylinder 1 misfire detected) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

2-4 hours

P03382021 HONDA CIVIC P0338 — Crankshaft Position Sensor A Circuit High Input Diagnosis & Fix

Complete troubleshooting guide for P0338 on 2021 HONDA CIVIC. Learn how to properly diagnose and repair this OBD-II trouble code using factory-level diagnostic procedures and professional repair techniques.

Moderate

2-3 hours

P04012021 Honda Civic P0401 — Exhaust Gas Recirculation Flow Insufficient Diagnosis & Fix

Complete guide to diagnosing and fixing the P0401 (exhaust gas recirculation flow insufficient) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

2-4 hours

P04022021 Honda Civic P0402 — Exhaust Gas Recirculation Flow Excessive Diagnosis & Fix

Complete guide to diagnosing and fixing the P0402 (exhaust gas recirculation flow excessive) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

2-4 hours

P04042021 Honda Civic P0404 — Egr Valve Position Sensor Range Performance Diagnosis & Fix

Complete guide to diagnosing and fixing the P0404 (egr valve position sensor range performance) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

2-4 hours

P04412021 Honda Civic P0441 — Evaporative Emission System Incorrect Purge Flow Diagnosis & Fix

Complete guide to diagnosing and fixing the P0441 (evaporative emission system incorrect purge flow) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

2-3 hours

P04432021 Honda Civic P0443 — Evaporative Emission System Purge Control Valve Circuit Diagnosis & Fix

Complete guide to diagnosing and fixing the P0443 (evaporative emission system purge control valve circuit) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

2-3 hours

P04462021 Honda Civic P0446 — Evaporative Emission System Vent Control Circuit Diagnosis & Fix

Complete guide to diagnosing and fixing the P0446 (evaporative emission system vent control circuit) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

2-3 hours

P05052021 Honda Civic P0505 — Idle Control System Malfunction Diagnosis & Fix

Complete guide to diagnosing and fixing the P0505 (idle control system malfunction) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P05622021 Honda Civic P0562 — System Voltage Low Diagnosis & Fix

Complete guide to diagnosing and fixing the P0562 (system voltage low) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P06002021 Honda Civic P0600 — Serial Communication Link Malfunction Diagnosis & Fix

Complete guide to diagnosing and fixing the P0600 (serial communication link malfunction) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

3-5 hours

P07002021 Honda Civic P0700 — Transmission Control System Malfunction Diagnosis & Fix

Complete guide to diagnosing and fixing the P0700 (transmission control system malfunction) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

3-5 hours

P07532021 Honda Civic P0753 — Shift Solenoid A Electrical Diagnosis & Fix

Complete guide to diagnosing and fixing the P0753 (shift solenoid a electrical) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

3-5 hours

P11522021 Honda Civic P1152 — Vtec Solenoid Circuit Malfunction Diagnosis & Fix

Complete guide to diagnosing and fixing the P1152 (vtec solenoid circuit malfunction) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

2-4 hours

P12002021 Honda Civic P1200 — Fuel Injector Circuit Malfunction Cylinder 1 Diagnosis & Fix

Complete guide to diagnosing and fixing the P1200 (fuel injector circuit malfunction cylinder 1) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Moderate

1-2 hours

P12392021 Honda Civic P1239 — Direct Injection Fuel Pressure Sensor Circuit Diagnosis & Fix

Complete guide to diagnosing and fixing the P1239 (direct injection fuel pressure sensor circuit) error code on your 2021 Honda Civic. Includes step-by-step instructions, repair costs, and expert tips.

Advanced

2-4 hours

P15012021 Honda Civic P1501 — Vehicle Speed Sensor Range Diagnosis & Fix

Complete diagnostic guide for P1501 on 2021 Honda Civic. Learn symptoms, causes, and step-by-step repair procedures.

Advanced

30 min

P14062021 Honda Civic P1406 — Egr Solenoid B Circuit Diagnosis & Fix

The P1406 code on your 2021 Honda Civic indicates a problem with the EGR Solenoid B Circuit system. Learn how to diagnose and fix this emissions-related issue with our comprehensive guide.

Moderate

1-3 hours

P14852021 Honda Civic P1485 — Auxiliary Fan Relay Circuit Diagnosis & Fix

The P1485 code on your 2021 Honda Civic indicates a problem with the Auxiliary Fan Relay Circuit system. Learn how to diagnose and fix this emissions-related issue with our comprehensive guide.

Moderate

1-3 hours