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OBD2 Trouble Codes

Browse 543 diagnostic trouble codes — each with symptoms, causes, cost estimates, and repair guidance.

P0717
Powertrain
High

Input/Turbine Speed Sensor "A" Circuit No Signal

P0718
Powertrain
Moderate

Input/Turbine Speed Sensor "A" Circuit Intermittent

P0719
Powertrain
Moderate

Torque Converter/Brake Switch "B" Circuit Low

P0720
Powertrain
Moderate

Output Speed Sensor Circuit Malfunction

P0721
Powertrain
Moderate

Output Speed Sensor Circuit Range/Performance

P0722
Powertrain
High

Output Speed Sensor Circuit No Signal

P0725
Powertrain
Moderate

Engine Speed Input Circuit Malfunction

P0730
Powertrain
High

Incorrect Gear Ratio

P0731
Powertrain
Moderate

Gear 1 Incorrect Ratio

P0732
Powertrain
Moderate

Gear 2 Incorrect Ratio

P0733
Powertrain
Moderate

Gear 3 Incorrect Ratio

P0734
Powertrain
Moderate

Gear 4 Incorrect Ratio

P0735
Powertrain
Moderate

Gear 5 Incorrect Ratio

P0740
Powertrain
Moderate

Torque Converter Clutch Circuit Malfunction

P0741
Powertrain
Moderate

Torque Converter Clutch Circuit Performance or Stuck Off

P0742
Powertrain
Moderate

Torque Converter Clutch Circuit Stuck On

P0743
Powertrain
Moderate

Torque Converter Clutch Circuit Electrical

P0744
Powertrain
Moderate

Torque Converter Clutch Circuit Intermittent

P0748
Powertrain
Moderate

Pressure Control Solenoid 'A' Electrical

P0750
Powertrain
Moderate

Shift Solenoid A Malfunction

P0751
Powertrain
Moderate

Shift Solenoid 'A' Performance or Stuck Off

P0752
Powertrain
Moderate

Shift Solenoid 'A' Stuck On

P0753
Powertrain
Moderate

Shift Solenoid 'A' Electrical

P0755
Powertrain
Moderate

Shift Solenoid 'B' Malfunction

P0756
Powertrain
Moderate

Shift Solenoid 'B' Performance or Stuck Off

P0757
Powertrain
Moderate

Shift Solenoid 'B' Stuck On

P0758
Powertrain
Moderate

Shift Solenoid 'B' Electrical

P0760
Powertrain
Moderate

Shift Solenoid 'C' Malfunction

P0761
Powertrain
Moderate

Shift Solenoid 'C' Performance or Stuck Off

P0765
Powertrain
Moderate

Shift Solenoid 'D' Malfunction

P0770
Powertrain
Moderate

Shift Solenoid 'E' Malfunction

P0775
Powertrain
Moderate

Pressure Control Solenoid 'B' Malfunction

P0777
Powertrain
Moderate

Pressure Control Solenoid B Stuck On

P0780
Powertrain
Moderate

Shift Malfunction

P0785
Powertrain
Moderate

Shift/Timing Solenoid 'A' Malfunction

P0790
Powertrain
Low

Normal/Performance Switch Circuit Malfunction

P0795
Powertrain
Moderate

Pressure Control Solenoid 'C' Malfunction

P0846
Powertrain
Moderate

Transmission Fluid Pressure Sensor B

P0847
Powertrain
Moderate

Transmission Fluid Pressure Sensor B Low

P0868
Powertrain
High

Transmission Fluid Pressure Low

P0871
Powertrain
Moderate

Transmission Fluid Pressure Sensor/Switch 'C' Circuit Range/Performance

P0894
Powertrain
High

Transmission Component Slipping

P0962
Powertrain
Moderate

Pressure Control Solenoid A Control Circuit Low

P0A80
Powertrain
Moderate

Replace Hybrid Battery Pack

P0C00
Powertrain
Moderate

HV Battery Pack State of Charge Low

P1000
Powertrain
Low

OBD-II System Readiness Test Not Complete

Ford
P1077
Powertrain
Low

Intake Manifold Runner Control System Malfunction (Low RPM)

Honda
P1078
Powertrain
Low

Intake Manifold Runner Control System Malfunction (High RPM)

Honda
P1083
Powertrain
Moderate

Fuel Control Mixture Lean (Bank 1 Sensor 1)

BMW
P1110
Powertrain
Moderate

Electronic Throttle System (ETS) Malfunction

Hyundai/Kia
P1121
Powertrain
Moderate

Throttle Position Sensor Signal Invalid

Hyundai/Kia
P1128
Powertrain
Moderate

Long Term Fuel Trim Additive — Bank 1 System Too Lean

Volkswagen/Audi
P1130
Powertrain
Moderate

Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction – Bank 1, Sensor 1

Toyota
P1131
Powertrain
Moderate

Lack of Upstream Heated Oxygen Sensor Switch — Sensor Indicates Lean (Bank 1)

Ford
P1133
Powertrain
Low

HO2S Insufficient Switching Bank 1 Sensor 1

General Motors
P1135
Powertrain
Moderate

Air/Fuel Sensor Heater Circuit Response – Bank 1, Sensor 1

Toyota
P1136
Powertrain
Moderate

Long Term Fuel Trim Additive Fuel — Bank 1 System Too Lean

BMW
P1148
Powertrain
Moderate

Closed Loop Control Function Bank 1

Nissan
P1150
Powertrain
Moderate

Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction – Bank 2, Sensor 1

Toyota
P1151
Powertrain
Moderate

Lack of Upstream Heated Oxygen Sensor Switch — Sensor Indicates Lean (Bank 2)

Ford

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