Category: OBDii Powertrain Codes

P1744 Torque Converter Clutch System Performance Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1737 Lockup Solenoid System Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1738 Shift Time Error Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1739 Slip Solenoid System Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1740 Torque Converter Clutch Inductive Signature Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1741 Torque Converter Clutch Control Error Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1742 Torque Converter Clutch Solenoid Failed On Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1731 1-2 Shift Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1732 2-3 Shift Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1733 3-4 Shift Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1734 Gear Control Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1735 First Gear Switch Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1736 Second Gear Switch Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1729 4×4 Low Switch Error Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1730 Automatic Transmission Interlock Possible causes – Low coast brake solenoid valve harness is open or shorted – Low coast brake solenoid valve circuit poor electrical connection -
Fault low coast brake solenoid valve -
Faulty Automatic Transmission Fluid (ATF) pressure switch 2 What about the obd code? Diagnostic Trouble Code (DTC) P1730 is detected…

P1725 Insufficient Engine Speed Increase During Self Test Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1726 Insufficient Engine Speed Decrease During Self Test Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1727 Coast Clutch Solenoid Inductive Signature Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1728 Transmission Slip Error Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1720 Vehicle Speed Meter Circuit Malfunction Possible causes – VDC/TCS/ABS to ECM circuit harness is open or shorted– TCM to ECM circuit harness is open or shorted– VDC/TCS/ABS to ECM circuit connectors – TCM to ECM circuit connectors – Faulty revolution sensor What about the obd code? Malfunction is detected when ECM detects a difference…