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Learn what P0526 means and how to diagnose cooling fan speed control issues P0526 Overview Code P0526 Code Type P Code Class P0 System Engine Severity Level High Emissions Related false Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0526 indicates an issue with the cooling fan speed control circuit Symptoms Engine overheating Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Cooling fan system Possible Causes Faulty cooling fan relay Diagnostic Steps 1 Inspect cooling fan wiring 2 Test fan relay operation Drive Safety Notes Overheating risk

Learn what P2176 means and how to perform throttle idle relearn procedures P2176 Overview Code P2176 Code Type P Code Class P0 System Engine Severity Level Medium Emissions Related false Drivability Impact Minor Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P2176 indicates the throttle actuator control system could not learn the idle position Symptoms Rough idle Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Throttle adaptive learning Possible Causes Throttle relearn not completed Diagnostic Steps 1 Perform idle relearn; 2 Inspect throttle body Drive Safety Notes Idle quality affected

Learn what P0735 means and how to diagnose fifth gear ratio issues P0735 Overview Code P0735 Code Type P Code Class P0 System Transmission Severity Level Medium Emissions Related false Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0735 indicates incorrect gear ratio in fifth gear Symptoms Transmission slipping Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Fifth gear operation Possible Causes Gear wear Diagnostic Steps 1 Inspect transmission fluid 2 Monitor ratio Drive Safety Notes High-speed operation affected

Learn what U0101 means and how to diagnose lost communication with the transmission control module U0101 Overview Code U0101 Code Type U Code Class U0 System Network Severity Level High Emissions Related false Drivability Impact Major Diagnostic Protocol CAN Freeze Frame Useful false Code Definition Diagnostic trouble code U0101 indicates lost communication with the transmission control module (TCM) Symptoms Transmission stuck in limp mode Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Transmission network communication Possible Causes TCM power loss Diagnostic Steps 1 Check TCM power and ground; 2 Inspect CAN lines Drive Safety Notes Gear shifting may be limited

Learn what P2101 means and how to diagnose throttle actuator performance issues P2101 Overview Code P2101 Code Type P Code Class P0 System Engine Severity Level High Emissions Related false Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P2101 indicates throttle actuator control motor range or performance issues Symptoms Hesitation; Reduced power Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Electronic throttle control Possible Causes Throttle plate sticking Diagnostic Steps 1 Inspect throttle body; 2 Perform throttle relearn Drive Safety Notes Acceleration limited

Learn what P0865 means and how to diagnose transmission fluid pressure sensor performance malfunctions P0865 Overview Code P0865 Code Type P Code Class P0 System Transmission Severity Level High Emissions Related true Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0865 indicates a malfunction in the transmission fluid pressure sensor performance Symptoms Harsh shifting Slipping transmission Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Transmission fluid pressure sensor Possible Causes Faulty fluid pressure sensor Wiring or circuit issues Diagnostic Steps 1 Inspect fluid pressure sensor2 Test sensor performance Drive Safety Notes A malfunction in the fluid pressure sensor can lead to transmission failure and poor drivability

Learn what P0809 means and how to diagnose clutch position sensor circuit malfunctions P0809 Overview Code P0809 Code Type P Code Class P0 System Transmission Severity Level High Emissions Related true Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0809 indicates a malfunction in the clutch position sensor circuit Symptoms Slipping transmission Difficulty in engaging gears Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Clutch position sensor Possible Causes Faulty clutch position sensor Wiring issues Diagnostic Steps 1 Inspect clutch position sensor2 Test sensor circuit Drive Safety Notes A malfunctioning clutch position sensor can cause poor acceleration and harsh shifting

Learn what P0595 means and how to diagnose a stuck-open thermostat P0595 Overview Code P0595 Code Type P Code Class P0 System Engine Severity Level Medium Emissions Related true Drivability Impact Minor Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0595 indicates a thermostat stuck open Symptoms Engine takes longer to warm up; Poor fuel economy Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Thermostat system Possible Causes Sticking thermostat Diagnostic Steps 1 Inspect thermostat for proper function 2 Check for cooling system leaks Drive Safety Notes Poor engine warm-up time

Learn what P0869 means and how to diagnose transmission fluid pressure sensor circuit malfunctions P0869 Overview Code P0869 Code Type P Code Class P0 System Transmission Severity Level High Emissions Related true Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0869 indicates a malfunction in the transmission fluid pressure sensor circuit Symptoms Slipping transmission Transmission overheating Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Transmission fluid pressure sensor Possible Causes Faulty fluid pressure sensor Wiring or connection issues Diagnostic Steps 1 Inspect fluid pressure sensor2 Test sensor circuit Drive Safety Notes A malfunctioning fluid pressure sensor can lead to transmission overheating and slipping

Learn what P0477 means and how to diagnose exhaust pressure sensor malfunctions P0477 Overview Code P0477 Code Type P Code Class P0 System Emissions Severity Level Medium Emissions Related true Drivability Impact Minor Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0477 indicates a malfunction in the exhaust pressure sensor Symptoms Check Engine Light Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Exhaust pressure control Possible Causes Sensor malfunction Diagnostic Steps 1 Inspect sensor 2 Test output Drive Safety Notes Poor exhaust flow possible

Learn what U0151 means and how to diagnose airbag control module communication issues U0151 Overview Code U0151 Code Type U Code Class U0 System Network Severity Level High Emissions Related false Drivability Impact Minor Diagnostic Protocol CAN Freeze Frame Useful false Code Definition Diagnostic trouble code U0151 indicates lost communication with the restraints control module (airbag) Symptoms Airbag warning light Overview applies to this diagnostic code. Affected Systems On This Page Code Definition Symptoms Affected Systems Possible Causes Diagnostic Steps Drive Safety Notes More Resources Diagnostic Trouble Codes Diagnostic Q&A Automotive Knowledge Base All Diagnostic Products Airbag system communication Possible Causes Module power loss Diagnostic Steps 1 Check RCM power 2 Inspect CAN wiring Drive Safety Notes Airbags may not deploy