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