DTC Troubleshooting Index

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

DTC	Detection Item	Adaptive Cruise Control (ACC) Indicator	CMBS Indicator
11	Left rear wheel sensor signal error	◦	◦
12	Right rear wheel sensor signal error	◦	◦
13	Left front wheel sensor signal error	◦	◦
14	Right front wheel sensor signal error	◦	◦
20	Steering angle sensor malfunction	---	◦
21	Yaw rate sensor error	◦	◦
22	Yaw rate sensor center position revision value error	◦	◦
23	Yaw rate sensor gain error	◦	◦
24	Yaw rate sensor diagnose malfunction	◦	◦
25	Yaw rate sensor stabilizing malfunction	◦	◦
26	Steering angle sensor adherence failure	---	◦
30	Brake light relay circuit malfunction	◦	◦
34	Master cylinder brake fluid pressure sensor circuit open/short	---	◦
35	Master cylinder brake fluid pressure sensor center position error	---	◦
36	Master cylinder brake fluid pressure sensor shift error	---	◦
59	F-CAN B Communication error	◦	◦
60	F-CAN A Communication error	◦	◦
61	Millimeter wave radar communication error	◦	◦
62	Millimeter wave radar sensor error	◦	◦
63	Millimeter wave radar aiming error	◦	◦
64	CMBS operation error (excessive operation)	---	◦
88	Millimeter wave radar out of detection condition	---	◦
95	Power supply voltage too high	---	◦
96	Power supply voltage too low	---	◦
97	CMBS offset cancel timeout	---	◦
100	CMBS initial check incomplete	◦	◦
102	CMBS parking brake incomplete releasing	---	◦
103	CMBS brake control prohibition	---	◦
105	Dust or dirt on the millimeter wave radar	---	◦
107	Millimeter wave radar aiming incomplete	◦	◦
112	Lost communication with the VSA modulator-control unit	---	◦
113	Lost communication with the gauge control module	---	◦
117	Lost communication with the steering angle sensor	---	◦
199	Adaptive cruise control (ACC) unit programming error	◦	◦

NOTE: When both the ACC and CMBS indicators come on, do the ACC system troubleshooting first (except DTC 100).