BENDIX TABS-6 TRAILER ABS MODULE manual

Section C: Diagnostic trouble code (DTC)

BLINK code Quick reference

1st Blink Code			2nd Blink Code
Code	Location	Code	Description	Repair Information
1	All	1	No Diagnostic Trouble Codes	• System fully operational - no faults detected
2	Sensor SL	1	Sensor signal valid - large air gap	• Go to Section G - Dynamic WSS DTCs
3	Sensor SR	2	Sensor signal valid - loss of signal	• Go to Section G - Dynamic WSS DTCs
4	Sensor SAL	3	Sensor signal valid - noisy	• Go to Section G - Dynamic WSS DTCs
5	Sensor SAR	4	Sensor shorted or open	• Go to Section G - Static WSS DTCs
		5	Tire diameter out of range	• Verify correct tire size, proper tire inflation & correct
				number of exciter ring teeth. Verify that the ECU
				has the proper tire size settings.
		6	Sensor configuration error	• Verify correct ABS configuration. If needed, reset to
				the default ABS configuration and power-up to
				initiate auto-configuration.
6	Power	1	Over-voltage	• Go to Section F - Power Supply

		2	Low-voltage	• Go to Section F - Power Supply
		3	Excessive power line resistance	• Go to Section F - Power Supply
7	Valve MOD1	1	Hold solenoid (AUX) shorted or open	• Go to Section H - ABS Modulator DTCs
8	Valve MOD2	2	Release solenoid (AUX) shorted or open	• Go to Section H - ABS Modulator DTCs
9	Valve MOD3	3	ABS modulator dynamic error	• Go to Section H - ABS Modulator DTCs
		4	Valve configuration error	• Verify correct ABS configuration. If needed, reset to
				the default ABS configuration and power-up to
				initiate auto-configuration.
10	Common	1	Valve MOD1/2 low-side switch shorted to ground	• Go to Section H - ABS Modulator DTCs
		2	Valve MOD3 (AUX) low-side switch shorted to ground	• Go to Section H - ABS Modulator DTCs

		3	ABS modulator dynamic error - all valves	• Go to Section H - ABS Modulator DTCs
		4	Excessive ABS activity	• Go to Section G - Dynamic WSS DTCs
11	ECU	1	ECU internal error	• Check for damaged or corroded connectors. Check
				for damaged wiring. After repairs or if no issues
				found, then clear faults. If faults return, replace the
				module.
		2	ECU configuration error	• Verify correct ABS configuration. If needed, reset to
				the default ABS configuration and power-up to
				initiate auto-configuration.

12	Diagnostics	1	J1587 diagnostics (AUX6) shorted or open	• Check for corroded/damaged wiring or connectors
				between the ECU and J1587 Diagnostic (AUX6).
				Replace/repair J1587 Diagnostic (AUX6) wiring or
				components as required.
13	Indicator Lamp	1	ABS lamp (AUX7) shorted or open	• Go to Section E - Trailer ABS Indicator Lamp

To Read/Clear Diagnostic Troubleshooting Codes (DTCs):

1.Apply constant power to the trailer (ignition switch).

2.Within 15 seconds, apply/release the brake pedal at 1 second intervals:

(a)3 times for displaying Active DTCs.

(b)4 times for displaying Inactive DTCs.

3.After 5 seconds delay, the blink codes will be displayed.

4.Observe the trailer-mounted ABS indicator lamp and record blink code(s).

5.Refer to blink code chart for description.

6.After making repairs and clearing Active DTCs, verify lamp is no longer illuminated.