Bendix Commercial Vehicle Systems TABS-6 TRAILER ABS MODULE - Manual (Page 11)

11
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
8 3 MOD2 ABS modulator dynamic error Go to Section H, on Page 30. 8 7
9 3 MOD3 ABS modulator dynamic error 9 7
8 4 MOD2 Valve confi guration error • Verify correct ABS confi guration using blink codes 8 13
or other diagnostic tools.
9 4 MOD3 Valve confi guration error • If needed, reset to the default ABS confi guration 9 13
and power-up to initiate auto-confi guration.
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:
10 2 Valve MOD3 low-side switch shorted • No continuity from modulator/AUX leads to ground. 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 confi guration error • Verify correct ABS confi guration using blink codes, 254 13
PC-diagnostics or other off-board diagnostic tools.
• If needed, reset to the default ABS confi guration and
power-up to initiate auto-confi guration.
(Continued over . . .)