BENDIX TABS-6 TRAILER ABS MODULE manual Fault Description Repair Information

Diagnostic Trouble Codes (DTCs) (continued)

	1st	2nd	Fault Description	Repair Information	J1587	J1587
	Digit	Digit			(SID)	(FMI)
				Power
6		1	Over-voltage	• Power supply diagnostic trouble code.	251	3
				Go to Section F, page 28.
6		2	Low-voltage	• Power supply diagnostic trouble code.	251	4
				Go to Section F, page 28.
6		3	Excessive power line resistance	• Power supply diagnostic trouble code.	251	13
				Go to Section F, page 28.
				Modulator (MOD)
7		1	MOD1 Hold solenoid shorted or open		42	3, 4, 5
				• Clear faults.		6 or 12
7		2	MOD1 Release solenoid shorted or	• If faults return, replace the TABS-6 Module.	48	3, 4, 5
			open			6 or 12
	8	1	MOD2 Hold solenoid shorted or open		43	3, 4, 5
						6 or 12
9		1	MOD3 Hold solenoid shorted or open		44	3, 4, 5
				Static ABS Modulator Fault.		6 or 12
8		2	MOD2 Release solenoid shorted or	Go to Section H, on Page 30.	49	3, 4, 5
			open			6 or 12
	9	2	MOD3 Release solenoid shorted or		50	3, 4, 5
			open			6 or 12
7		3	MOD1 ABS modulator dynamic error	Dynamic ABS Modulator Fault.	7	7
				Go to Section H, on Page 30.	8	7
8		3	MOD2 ABS modulator dynamic error
9		3	MOD3 ABS modulator dynamic error		9	7
8		4	MOD2 Valve configuration error	• Verify correct ABS configuration using blink codes	8	13
				or other diagnostic tools.
				• If needed, reset to the default ABS configuration
9		4	MOD3 Valve configuration error		9	13
				and power-up to initiate auto-configuration.
				Common
10		1	Valve MOD1/2 low-side switch shorted	• Check for corroded/damaged wiring or connectors	7	4
			to ground	between the ECU and MOD.
				At the MOD harness connector, verify:
				• No continuity from modulator/AUX leads to ground.
10		2	Valve MOD3 low-side switch shorted		9	4
			to ground	• After repairs or if no issues found, then clear faults.
				• If faults return, replace the TABS-6 Module.
10		3	ABS modulator dynamic error - all	Dynamic ABS Modulator Fault.	7	7
			valves	Go to Section H, on Page 30.
10		4	Excessive ABS activity	Dynamic Wheel Speed Sensor Fault.	1	7
				Go to Section G, on Page 29.
			Electronic Control Unit (ECU)
	11	1	ECU internal error	• Check for damaged or corroded connectors.	254	12
				• Check for damaged wiring.
				• After repairs or if no issues found, then clear faults.
				• If faults return, replace the TABS-6 Module.
11	2	ECU configuration error	• Verify correct ABS configuration using blink codes,	254	13
				PC-diagnostics or other off-board diagnostic tools.
				• If needed, reset to the default ABS configuration and
				power-up to initiate auto-configuration.

(Continued over . . .)

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