DTC Index (Without HDS)

WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, 2006 Acura TSX, 2005 Acura TSX, and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.

POSSIBLE CAUSE REFERENCE CHART

DTC	Symptom	Possible Cause	Note
1	Slide switch circuit malfunction (FORWARD/BACKWARD)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
2	Recline switch circuit malfunction (FORWARD/BACKWARD)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
3	Front up-down switch circuit malfunction (UP/DOWN)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
4	Rear up-down switch circuit malfunction (UP/DOWN)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
24	Slide switch circuit malfunction (FORWARD)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
25	Slide switch circuit malfunction (BACKWARD)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
26	Recline switch circuit malfunction (FORWARD)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
27	Recline switch circuit malfunction (BACKWARD)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
28	Front up-down switch circuit malfunction (UP)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
29	Front up-down switch circuit malfunction (DOWN)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
30	Rear up-down switch circuit malfunction (UP)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
31	Rear up-down switch circuit malfunction (DOWN)	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST ) Power seat adjustment switch test (see POWER SEAT ADJUSTMENT SWITCH TEST/REPLACEMENT )
36	Sensor output short to ground	Faulty power seat adjustment switch, or power seat control unit	System input test and function test (see SYSTEM INPUT TEST AND FUNCTION TEST )
37	Transmission range switch P position circuit malfunction	Faulty transmission range switch	Transmission range switch test (see TRANSMISSION RANGE SWITCH TEST ) Power seat control unit input test (see POWER SEAT CONTROL UNIT INPUT TEST )
40	Communication line error (BUS Off)	Faulty communication line	Troubleshoot using B-CAN system diagnosis test mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A )