2019 Toyota Corolla Repair Guides

P06452019 Toyota Corolla P0645 — A/C Compressor Clutch Relay Control Circuit Diagnosis & Fix

Complete guide to diagnosing and fixing the P0645 (A/C Compressor Clutch Relay Control Circuit) error code on your 2019 Toyota Corolla. Includes step-by-step instructions, repair costs, and expert tips.

Easy

1-2 hours

P06602019 Toyota Corolla P0660 — Intake Manifold Tuning Valve Control Circuit Diagnosis & Fix

Complete guide to diagnosing and fixing the P0660 (Intake Manifold Tuning Valve Control Circuit) error code on your 2019 Toyota Corolla. Includes step-by-step instructions, repair costs, and expert tips.

Easy

1-2 hours

P08002019 Toyota Corolla P0800 — Loss of KAM (Keep Alive Memory) Diagnosis & Fix

The P0800 code indicates a loss of Keep Alive Memory data, affecting vehicle emissions and transmission adaptation values.

Moderate

1-2 hours

P08232019 Toyota Corolla P0823 — Gear Shift Actuator Intermittent Diagnosis & Fix

The gear shift actuator position signal is intermittent or erratic.

Advanced

2-3 hours

P08652019 Toyota Corolla P0865 — TCM Power Relay Circuit Diagnosis & Fix

P0865 indicates a fault in the transmission control module power relay.

Advanced

1-3 hours

P08802019 Toyota Corolla P0880 — TCM Power Output Signal Diagnosis & Fix

P0880 indicates the TCM is not receiving or sending expected power signals.

Advanced

1-3 hours

P11292019 Toyota Corolla P1129 - APP SENSOR INTERMITTENT Diagnosis & Fix

Expert diagnosis and repair guide for P1129 (APP sensor intermittent signal) in 2019 Toyota Corolla. Includes wiring checks, sensor testing, and module communication diagnostics.

Moderate

1-3 hours

P11772019 Toyota Corolla P1177 - EVAPORATIVE EMISSIONS SYSTEM VACUUM LEAK Diagnosis & Fix

Expert diagnosis and repair guide for P1177 (EVAP system vacuum leak detected) in 2019 Toyota Corolla. Includes wiring checks, sensor testing, and module communication diagnostics.

Advanced

3-5 hours

P21702019 TOYOTA COROLLA P2170 — Idle Air Control System Closed Position Performance Diagnosis & Fix

Complete diagnostic and repair guide for 2019 Toyota Corolla P2170 (Idle Air Control System Closed Position Performance). Includes step-by-step instructions, ETC relearn procedures, and expert tips.

Advanced

1-2 hours

P21712019 TOYOTA COROLLA P2171 — Idle Air Control System High Speed Performance Diagnosis & Fix

Complete diagnostic and repair guide for 2019 Toyota Corolla P2171 (Idle Air Control System High Speed Performance). Includes step-by-step instructions, ETC relearn procedures, and expert tips.

Advanced

3-4 hours