Diagnostic Trouble Codes: Notes

DIAGNOSTIC TROUBLE CODES

Code	Tech 2 code (P code)	Item	Diagnosis	Check flow No.
12	-	Start code	Normal	-
13	P1735	Ref	Shorted GND	6
14	P1731	Front speed sensor	Input abnormality (open, sig or com)	2
15	P1736	Ref	Shorted VB	6
16	P1737	Front speed sensor	Input abnormality	4
17	P1774	Inhibitor switch	Input abnormality	8
21	P1716	TPS	Shorted or disconnected wiring, abnormality in input	7
23	-	ECU	CPU abnormality	1
24	P1733	Rear speed sensor	Input abnormality (open, sig or com)	3
27	P1738	Rear speed sensor	Input abnormality	5
31	P1721	EMC (+)	Shorted VB, disconnected coil/wiring or shorted GND	9
36	-	ECU	CPU abnormality	1
37	P1712	ECU	CPU abnormality	1
38	P1714	ECU	CPU abnormality	1
41	P1741	High-Low shift motor	Shorted GND or disconnected wiring	13
42	P1773	High-Low shift motor	User operation error (not failure)	14
43	P1743	High-Low shift motor	Motor moving more than 5s	15
55	P1755	High-Low shift motor	Input abnormality of motor position signal	16

TPS: Throttle Position Sensor

EMC: Electromagnetic coil