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2001-2004 Models

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 Honda Insight, 2005 Honda Insight, 2004 Honda Insight, 2003 Honda Insight, and 2002 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Record all freeze data and review General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ) before you troubleshoot.
DTC TROUBLESHOOTING INDEX

DTC (1) D Indicator MIL Detection Item Page
P0725 (11-1)(2) Blinks ON Engine speed input circuit (see DTC P0725: PROBLEM IN ENGINE SPEED INPUT CIRCUIT )
P1630 (0-2)(2) Blinks ON Transmission control module (TCM) (see DTC P0725: PROBLEM IN ENGINE SPEED INPUT CIRCUIT )
P1655 (37-1)(2) Blinks OFF Communication lines (TMA and TMB) between ECM and TCM (see DTC P1655: PROBLEM IN TCM-TO-ECM COMMUNICATION LINES )
P1705 (5-1)(2) Blinks ON Transmission range switch (short to ground) (see DTC P1705: SHORT IN TRANSMISSION RANGE SWITCH CIRCUIT )
P1706 (6-1)(2) OFF ON Transmission range switch (open) (see DTC P1706: OPEN IN TRANSMISSION RANGE SWITCH CIRCUIT )
P1790 (3-3, 3-4)(2) Blinks ON Throttle position sensor circuit (see DTC P1790: PROBLEM IN THROTTLE POSITION SENSOR CIRCUIT )
P1791 (4-1)(2) Blinks OFF Vehicle speed sensor (see DTC P1791: PROBLEM IN VEHICLE SPEED SENSOR CIRCUIT )
P1792 (10-3, 10-4)(2) Blinks OFF Engine coolant temperature sensor circuit (see DTC P1792: PROBLEM IN ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT )
P1793 (12-3, 12-4)(2) Blinks ON Manifold absolute pressure sensor circuit (see DTC P1793: PROBLEM IN MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT )
P1799 (92-3, 92-4)(2) Blinks OFF Intake air temperature sensor circuit (see DTC P1799: PROBLEM IN INTAKE AIR TEMPERATURE SENSOR CIRCUIT )
P1850 (90-1)(2) Blinks OFF Creep aid system solenoid valve A (see DTC P1850: PROBLEM IN CREEP AID SYSTEM SOLENOID VALVE A CIRCUIT )
P1851 (91-1)(2) Blinks OFF Creep aid system solenoid valve B (see DTC P1851: PROBLEM IN CREEP AID SYSTEM SOLENOID VALVE B CIRCUIT )
P1879 (32-1)(2) Blinks ON CVT start clutch pressure control valve circuit (see DTC P1879: PROBLEM IN CVT START CLUTCH PRESSURE CONTROL VALVE CIRCUIT )
P1882 (33-1)(2) Blinks OFF Inhibitor solenoid (see DTC P1882: PROBLEM IN INHIBITOR SOLENOID CIRCUIT )
P1885 (34-1)(2) Blinks ON CVT input shaft (drive pulley) speed sensor (see DTC P1885: PROBLEM IN CVT INPUT SHAFT (DRIVE PULLEY) SPEED SENSOR CIRCUIT )
P1886 (35-1)(2) Blinks ON CVT output shaft (driven pulley) speed sensor (see DTC P1886: PROBLEM IN CVT OUTPUT SHAFT (DRIVEN PULLEY) SPEED SENSOR CIRCUIT )
P1888 (36-1)(2) Blinks ON CVT speed sensor (see DTC P1888: PROBLEM IN CVT SPEED SENSOR CIRCUIT )
P1890 (42-1) Blinks ON Shift control system (see DTC P1890: PROBLEM IN SHIFT CONTROL SYSTEM )
P1891 (43-1) Blinks ON Start clutch control system (see DTC P1891: PROBLEM IN START CLUTCH CONTROL SYSTEM )
P1894 (38-1)(2) Blinks ON CVT drive pulley pressure control valve circuit (see DTC P1894: PROBLEM IN CVT DRIVE PULLEY PRESSURE CONTROL VALVE CIRCUIT )
P1895 (39-1)(2) Blinks ON CVT driven pulley pressure control valve circuit (see DTC P1895: PROBLEM IN CVT DRIVEN PULLEY PRESSURE CONTROL VALVE CIRCUIT )
NOTE:
(1) The DTC in parenthesis is the Honda code that you will see when you use the HDS. The first number(s) before the - (hyphen) is the flash code the D indicator indicates when the data link connector (DLC) is connected to the HDS, and the HDS in SCS mode.
(2) This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
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