BENDIX TABS-6 TRAILER ABS MODULE Manual page 25

1st Blink Code
Code Location
1 All
2 Sensor SL
3 Sensor SR
4 Sensor SAL
5 Sensor SAR
6 Power
7 Valve MOD1
8 Valve MOD2
9 Valve MOD3
10 Common
11 ECU
12 Diagnostics
13 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.
(c) 5 times for clearing Active 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.
SECTION C: DIAGNOSTIC TROUBLE CODE (DTC)
BLINK CODE QUICK REFERENCE
2nd Blink Code
Code Description
1 No Diagnostic Trouble Codes
1 Sensor signal valid ‑ large air gap
2 Sensor signal valid ‑ loss of signal
3 Sensor signal valid ‑ noisy
4 Sensor shorted or open
5 Tire diameter out of range
6 Sensor configuration error
1 Over-voltage
2 Low-voltage
3 Excessive power line resistance
1 Hold solenoid (AUX) shorted or open
2 Release solenoid (AUX) shorted or open
3 ABS modulator dynamic error
4 Valve configuration error
1 Valve MOD1/2 low-side switch shorted to ground
2 Valve MOD3 (AUX) low-side switch shorted to ground
3 ABS modulator dynamic error - all valves
4 Excessive ABS activity
1 ECU internal error
2 ECU configuration error
1 J1587 diagnostics (AUX6) shorted or open
1 ABS lamp (AUX7) shorted or open
Repair Information
• System fully operational ‑ no faults detected
• Go to Section G ‑ Dynamic WSS DTCs
• Go to Section G ‑ Dynamic WSS DTCs
• Go to Section G ‑ Dynamic WSS DTCs
• Go to Section G ‑ Static WSS DTCs
• Verify correct tire size, proper tire inflation & correct
number of exciter ring teeth. Verify that the ECU
has the proper tire size settings.
• Verify correct ABS configuration. If needed, reset to
the default ABS configuration and power-up to
initiate auto-configuration.
• Go to Section F - Power Supply
• Go to Section F - Power Supply
• Go to Section F - Power Supply
• Go to Section H - ABS Modulator DTCs
• Go to Section H - ABS Modulator DTCs
• Go to Section H - ABS Modulator DTCs
• Verify correct ABS configuration. If needed, reset to
the default ABS configuration and power-up to
initiate auto-configuration.
• Go to Section H - ABS Modulator DTCs
• Go to Section H - ABS Modulator DTCs
• Go to Section H - ABS Modulator DTCs
• Go to Section G ‑ Dynamic WSS DTCs
• 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.
• Verify correct ABS configuration. If needed, reset to
the default ABS configuration and power-up to
initiate auto-configuration.
• Check for corroded/damaged wiring or connectors
between the ECU and J1587 Diagnostic (AUX6).
Replace/repair J1587 Diagnostic (AUX6) wiring or
components as required.
• Go to Section E - Trailer ABS Indicator Lamp
5