Diagnostic trouble codes, Dtcs) – Bendix Commercial Vehicle Systems TABS-6 ADVANCED SINGLE CHANNEL User Manual
Page 16

16
Diagnostic Trouble Codes
(DTCs)
(continued)
1st
Digit
2nd
Digit
Diagnostic
Code
Description
Possible Causes / Repair Information
J1587
(SID/
FMI)
J1939
(SPN/
FMI)
11
2
TABS‑6
Advanced
Auxiliary I/O
Error:
AUX I/O #1
• Check for corroded/damaged wiring or connectors between the ECU and
the auxiliary device.
• Check Pins X1-14 & X1-15 of the ECU ‘Power’ connector for the
following:
 ‑ Pins not pushed back.
		-	Correctly	wired	to	the	auxiliary	device	(Pin	X1-14	to	supply,	Pin	X1-15	to	
ground).
		-	Shorted	to	ground,	Vbat	or	other	ECU	pins.	
• Verify the auxiliary device is properly functioning and rated for maximum 
load of ≤ 2 amps.
• After repairs or if no issues are found, then clear the diagnostic codes.
•	If	diagnostic	code	persists,	contact	the	BCVS	local	representative	before	
replacing the TABS‑6 Advanced module.
152/12
612/12
11
3
TABS‑6
Advanced
Auxiliary I/O
Error:
AUX I/O #2
• Check for corroded/damaged wiring or connectors between the ECU and
the auxiliary device.
•	Check	Pins	X1-8	&	X1-15	of	the	ECU	‘Power’	connector	for	the	following:
 ‑ Pins not pushed back.
		-	Correctly	wired	to	the	auxiliary	device	(Pin	X1-8	–	supply,	
					Pin	X1-15	–	ground).
		-	Shorted	to	ground,	Vbat	or	other	ECU	pins.	
• Verify the auxiliary device is properly functioning and rated for maximum 
load of ≤ 2 amps.
• After repairs or if no issues are found, then clear the diagnostic codes.
•	If	diagnostic	code	persists,	contact	the	BCVS	local	representative	before	
replacing the TABS‑6 Advanced module.
152/12
612/12
11
4
TABS‑6
Advanced
Auxiliary I/O
Error:
AUX I/O #4
• Check for corroded/damaged wiring or connectors between the ECU and
the auxiliary device.
•	Check	Pin	X1-3	of	the	ECU	‘Power’	connector	for	the	following:
 ‑ Pin not pushed back.
		-	Correctly	wired	to	the	auxiliary	device	(Pin	X1-3	–	supply).
		-	Shorted	to	ground,	Vbat	or	other	ECU	pins.	
• Verify the auxiliary device is properly functioning and rated for maximum 
load of ≤ 1.5 amps.
• After repairs or if no issues are found, then clear the diagnostic codes.
•	If	diagnostic	code	persists,	contact	the	BCVS	local	representative	before	
replacing the TABS‑6 Advanced module.
152/12
612/12
11
5
TABS‑6
Advanced
Auxiliary I/O
Error:
AUX I/O #6
• Check for corroded/damaged wiring or connectors between the ECU and
the auxiliary device.
•	Check	Pins	X1-2	&	X1-13	of	the	ECU	‘Power’	connector	for	the	following:
 ‑ Pins not pushed back.
		-	Correctly	wired	to	the	auxiliary	device	(Pin	X1-2	–	supply,	
								Pin	X1-13	–	ground).
		-	Shorted	to	ground,	Vbat	or	other	ECU	pins.	
• Verify the auxiliary device is properly functioning and rated for maximum 
load of ≤ 1.5 amps.
• After repairs or if no issues are found, then clear the diagnostic codes.
•	If	diagnostic	code	persists,	contact	the	BCVS	local	representative	before	
replacing the TABS‑6 Advanced module.
152/12
612/12
