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
11-1X	Open in the driver's airbag first inflator
11-2x	Increased resistance in the driver's airbag first inflator
11-3X	Short to another wire or decreased resistance in the driver's airbag first inflator
11-4X	Open in the driver's airbag second inflator
11-5x	Increased resistance in the driver's airbag second inflator
11-6X	Short to another wire or decreased resistance in the driver's airbag second inflator
11-8X	Short to power in the driver's airbag first inflator
11-9X	Short to ground in the driver's airbag first inflator
11-AX	Short to power in the driver's airbag second inflator
11-BX	Short to ground in the driver's airbag second inflator
12-1X	Open in the front passenger's airbag first inflator
12-2x	Increased resistance in the front passenger's airbag first inflator
12-3X	Short to another wire or decreased resistance in the front passenger's airbag first inflator
12-4X	Open in the front passenger's airbag second inflator
12-5x	Increased resistance in the front passenger's airbag second inflator
12-6X	Short to another wire or decreased resistance in the front passenger's airbag second inflator
12-8X	Short to power in the front passenger's airbag first inflator
12-9X	Short to ground in the front passenger's airbag first inflator
12-AX	Short to power in the front passenger's airbag second inflator
12-BX	Short to ground in the front passenger's airbag second inflator

NOTE: The "x" at the end of each DTC denotes a numeric character (0 thru 9) or an alpha character (A thru F) that you will see on the HDS display. The character is unrelated to your troubleshooting; it designates the SRS unit manufacturer and other detail used for product analysis.

DTC	Detection Item
21-1X	Open in the driver's seat belt tensioner
21-2x	Increased resistance in the driver's seat belt tensioner
21-3X	Short to another wire or decreased resistance in the driver's seat belt tensioner
21-8X	Short to power in the driver's seat belt tensioner
21-9X	Short to ground in the driver's seat belt tensioner
22-1X	Open in the front passenger's seat belt tensioner
22-2x	Increased resistance in the front passenger's seat belt tensioner
22-3X	Short to another wire or decreased resistance in the front passenger's seat belt tensioner
22-8X	Short to power in the front passenger's seat belt tensioner
22-9X	Short to ground in the front passenger's seat belt tensioner
31-1X	Open in the driver's side airbag inflator
31-2x	Increased resistance in the driver's side airbag inflator
31-3X	Short to another wire or decreased resistance in the driver's side airbag inflator
31-8X	Short to power in the driver's side airbag inflator
31-9X	Short to ground in the driver's side airbag inflator

DTC	Detection Item
32-1X	Open in the front passenger's side airbag inflator
32-2x	Increased resistance in the front passenger's side airbag inflator
32-3X	Short to another wire or decreased resistance in the front passenger's side airbag inflator
32-8X	Short to power in the front passenger's side airbag inflator
32-9X	Short to ground in the front passenger's side airbag inflator
33-1X	Open in the left side curtain airbag inflator
33-2x	Increased resistance in the left side curtain airbag inflator
33-3X	Short to another wire or decreased resistance in the left side curtain airbag inflator
33-8X	Short to power in the left side curtain airbag inflator
33-9X	Short to ground in the left side curtain airbag inflator
34-1X	Open in the right side curtain airbag inflator
34-2x	Increased resistance in the right side curtain airbag inflator
34-3X	Short to another wire or decreased resistance in the right side curtain airbag inflator
34-8X	Short to power in the right side curtain airbag inflator
34-9X	Short to ground in the right side curtain airbag inflator
41-1X	No signal from the left front impact sensor
42-1X	No signal from the right front impact sensor
41-2X	Internal failure of the left front impact sensor
41-8x
41-9x
41-Ax
41-Bx
42-2X	Internal failure of the right front impact sensor
42-8x
42-9x
42-Ax
42-Bx
43-1X	No signal from the left side impact sensor (first)
44-1X	No signal from the right side impact sensor (first)
45-1X	No signal from the left side impact sensor (second)
46-1X	No signal from the right side impact sensor (second)

DTC	Detection Item
43-2X	Internal failure of the left side impact sensor (first)
43-8x
43-9x
43-Ax
43-Bx
44-2X	Internal failure of the right side impact sensor (first)
44-8X
44-9x
44-Ax
44-Bx
45-2X	Internal failure of the left side impact sensor (second)
45-8x
45-9x
45-Ax
45-Bx
46-2X	Internal failure of the right side impact sensor (second)
46-8x
46-9x
46-Ax
46-Bx
51-xX	Internal failure of the SRS unit
52-xx
53-xx
54-xx
55-xx
57-xx
58-xx
53-FF	SRS unit programming error
56-21	Lost communication with the PCM (PGM-FI system)
56-22	Undefined data received from the PCM (PGM-FI system)
56-23	Undefined data received from the PCM (PGM-FI system)

DTC	Detection Item
56-25	Lost communication with the gauge control module
56-26	Undefined data received from the gauge control module
56-27	Undefined data received from the gauge control module
61-1X	Open in the driver's seat belt buckle switch
61-2X	Short in the driver's seat belt buckle switch
62-1X	Open in the front passenger's seat belt buckle switch
62-2X	Short in the front passenger's seat belt buckle switch
71-1X	Open in the driver's seat position sensor
71-2X	Short in the driver's seat position sensor
73-12	Open in the driver's E-pretensioner motor
73-14	Short to Ground in the driver's E-pretensioner motor
73-15	Short to Power in the driver's E-pretensioner motor
74-22	Open in the front passenger's E-pretensioner motor
74-24	Short to Ground in the front passenger's E-pretensioner motor
74-25	Short to Power in the front passenger's E-pretensioner motor
76-31	Faulty F-CAN communication or internal failure of the E-pretensioner unit (ACC system)
76-32	Faulty F-CAN communication or internal failure of the E-pretensioner unit (VSA system)
76-33	Faulty F-CAN communication or internal failure of the E-pretensioner unit (PGM-FI system)
76-34	Faulty F-CAN communication or internal failure of the E-pretensioner unit (A/T system)
76-36	Faulty F-CAN communication or internal failure of the E-pretensioner unit (SRS system)
76-37
76-4X	Internal failure of the E-Pretensioner unit
76-5x
76-63
76-47	Faulty power supply to the front passenger's E-pretensioner motor
76-48	Faulty power supply to the driver's E-pretensioner motor
76-61	No signal from the E-Pretensioner unit
76-62	Non-Stipulated response data from the E-Pretensioner unit

DTC	Detection Item
81-4X	Internal failure of the ODS unit
81-63
81-64
81-61	No signal from the ODS unit
81-62	Incorrect data from the ODS unit
81-71	ODS unit not calibrated
81-78	ODS unit not calibrated
81-79	Front passenger's weight sensors initial check failure
82-11	No signal from the inner side front passenger's weight sensor
82-12	No signal from the inner side front passenger's weight sensor
82-13	No signal from the inner side front passenger's weight sensor
83-21	No signal from the outer side front passenger's weight sensor
83-22	No signal from the outer side front passenger's weight sensor
83-23	No signal from the outer side front passenger's weight sensor
85-4X	Internal failure of the ODS unit
85-63
85-64
85-61	No signal from the ODS unit
85-62	Incorrect data from the ODS unit
85-71	ODS unit not initialized
85-78	ODS unit not initialized
85-79	OPDS sensor initial check failure
86-1X	Faulty OPDS seat-back sensor
86-2x	Faulty OPDS seat support sensor
92-1X	Short to power in the front passenger's airbag cutoff indicator
92-2X	Open or short to ground in the front passenger's airbag cutoff indicator

DTC	Detection Item
A1-1X	Faulty power supply (VA line)
A2-1X	Faulty power supply (VB line)
A3-1X	SRS unit connector A not properly installed
A4-1X	SRS unit connector B not properly installed
B2-1X	No signal from the rear safing sensor
B2-2X	Internal failure of the rear safing sensor
B2-8x
B2-9x
B2-Ax
B2-Bx
EX-11	Control operation recorded
FX-11	Airbags and/or tensioners deployment recorded

Only read DTCs from the SRS menu, not from SWS menus unless instructed to check SWS DTCs. SWS (ODS unit) DTCs are subcodes of SRS unit DTCs. Only troubleshoot the corresponding SRS DTCs. Also these SWS DTCs are cleared by turning the ignition switch to LOCK(0).

SWS DTC INDEX

SRS Unit DTC	SWS DTC	Detection Item
81-4X	41-xx	Internal failure of the ODS unit
	42-xx
	43-xx
81-71	71-xx	ODS unit not calibrated
82-11	11-1x	No Signal From the Inner Side Front Passenger's Weight Sensor
82-12	12-2x	No Signal From the Inner Side Front Passenger's Weight Sensor
82-13	13-3x	No Signal From the Inner Side Front Passenger's Weight Sensor
83-21	21-1x	No Signal From the Outer Side Front Passenger's Weight Sensor
83-22	22-2x	No Signal From the Outer Side Front Passenger's Weight Sensor
83-23	23-3x	No Signal From the Outer Side Front Passenger's Weight Sensor

NOTE: The "x" at the end of each DTC denotes a numeric character (0 thru 9) or an alpha character (A thru F) that may also see on the HDS display. The alphanumeric character is unrelated to your DTC troubleshooting; it is used by the SRS unit manufacturer.