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Learn what C0110 means and how to diagnose ABS pump motor circuit faults C0110 Overview Code C0110 Code Type C Code Class C0 System ABS Severity Level High Emissions Related false Drivability Impact Minor Diagnostic Protocol CAN Freeze Frame Useful false Code Definition Diagnostic trouble code C0110 indicates a malfunction in the ABS pump motor circuit Symptoms ABS light on 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 ABS hydraulic control unit Possible Causes Pump motor failure Diagnostic Steps 1 Test pump motor operation 2 Inspect power supply Drive Safety Notes ABS unavailable

Learn what U0146 means and how to diagnose gateway module communication faults U0146 Overview Code U0146 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 U0146 indicates lost communication with the gateway module Symptoms Multiple modules offline 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 Network gateway routing Possible Causes Gateway module failure Diagnostic Steps 1 Check gateway power supply 2 Inspect network topology Drive Safety Notes Vehicle network unstable

Learn what P0888 means and how to diagnose issues with the transmission control module circuit P0888 Overview Code P0888 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 P0888 indicates a malfunction in the transmission control module (TCM) circuit Symptoms Hard shifting Transmission failure 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 control module (TCM) Possible Causes Faulty TCM Wiring issues Diagnostic Steps 1 Inspect TCM2 Test the TCM circuit Drive Safety Notes A malfunctioning TCM can lead to issues with shifting and vehicle performance

Learn what P0139 means, symptoms, causes, and diagnostic steps for a slow downstream oxygen sensor P0139 Overview Code P0139 Code Type P Code Class P0 System Engine, Emissions Severity Level Low Emissions Related true Drivability Impact None Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0139 indicates a slow response from the oxygen sensor circuit for Bank 1 Sensor 2 Symptoms Check Engine Light illuminated 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 Slow downstream O2 response affects catalyst efficiency monitoring Possible Causes Aging oxygen sensor Diagnostic Steps 1 Confirm the fault code; 2 Monitor sensor response time; 3 Replace the oxygen sensor if slow response is confirmed Drive Safety Notes Driving is safe, but emissions monitoring accuracy is reduced

P0136 diagnostic trouble code explained Learn symptoms, causes, and diagnostic steps for a downstream oxygen sensor fault P0136 Overview Code P0136 Code Type P Code Class P0 System Engine, Emissions Severity Level Low Emissions Related true Drivability Impact None Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0136 indicates a malfunction in the oxygen sensor circuit for Bank 1 Sensor 2 Symptoms Check Engine Light illuminated 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 The downstream oxygen sensor monitors catalytic converter efficiency Possible Causes Faulty oxygen sensor; Wiring issues; Exhaust leaks Diagnostic Steps 1 Confirm the fault code; 2 Inspect wiring and exhaust system; 3 Monitor live O2 data; 4 Replace the sensor if necessary Drive Safety Notes Driving is generally safe, but emissions monitoring may be affected

Learn what P0671 means and how to diagnose glow plug control circuit malfunctions in cylinder 1 P0671 Overview Code P0671 Code Type P Code Class P0 System Engine Severity Level Medium Emissions Related true Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0671 indicates a malfunction in the glow plug control circuit for cylinder 1 Symptoms Hard starting Engine misfire 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 Glow plug control system Possible Causes Faulty glow plug for cylinder 1 Wiring issues Diagnostic Steps 1 Inspect glow plug for cylinder 1 2 Test glow plug control circuit Drive Safety Notes A malfunctioning glow plug can lead to difficult cold starts

Learn what P0493 means and how to diagnose EGR pressure sensor issues P0493 Overview Code P0493 Code Type P Code Class P0 System Emissions Severity Level Medium Emissions Related true Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0493 indicates a malfunction in the EGR pressure sensor Symptoms Poor acceleration; Engine misfire 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 EGR pressure sensor Possible Causes Faulty EGR pressure sensor; EGR sensor wiring fault Diagnostic Steps 1 Inspect EGR pressure sensor 2 Test sensor output Drive Safety Notes Potential emission failures

Learn what P0672 means and how to diagnose glow plug control circuit malfunctions in cylinder 2 P0672 Overview Code P0672 Code Type P Code Class P0 System Engine Severity Level Medium Emissions Related true Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0672 indicates a malfunction in the glow plug control circuit for cylinder 2 Symptoms Difficulty starting Engine misfire 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 Glow plug control system Possible Causes Faulty glow plug for cylinder 2 Wiring issues Diagnostic Steps 1 Inspect glow plug for cylinder 2 2 Test glow plug control circuit Drive Safety Notes Issues with cylinder 2 glow plug can affect engine startup

Learn what P0851 means and how to diagnose transmission control module circuit malfunctions P0851 Overview Code P0851 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 P0851 indicates a malfunction in the transmission control module (TCM) circuit Symptoms Poor 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 control module (TCM) Possible Causes Faulty TCM Wiring or electrical issues Diagnostic Steps 1 Inspect TCM2 Test TCM circuit Drive Safety Notes A malfunctioning TCM can affect shifting and transmission performance

Learn what P0600 means and how to diagnose ECM/TCM communication malfunctions P0600 Overview Code P0600 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 P0600 indicates a malfunction in the communication between the ECM and the TCM Symptoms Poor shifting; 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 Engine Control Module (ECM) and Transmission Control Module (TCM) Possible Causes Faulty wiring; ECM/TCM communication failure Diagnostic Steps 1 Inspect wiring 2 Test ECM and TCM communication Drive Safety Notes Transmission may be affected

Learn what P0306 means, symptoms, causes, and diagnostic steps for a cylinder 6 misfire P0306 Overview Code P0306 Code Type P Code Class P0 System Engine Severity Level High Emissions Related true Drivability Impact Major Diagnostic Protocol OBD2 Freeze Frame Useful true Code Definition Diagnostic trouble code P0306 indicates a misfire detected in cylinder 6 Symptoms Engine shaking; 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 Misfires affect engine power and emissions Possible Causes Faulty spark plug or coil; Injector malfunction Diagnostic Steps 1 Confirm misfire cylinder; 2 Inspect ignition system; 3 Test injector operation Drive Safety Notes Continued driving may damage emissions components