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.

(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.

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BENDIX TABS-6 TRAILER ABS MODULE manual To Read/Clear Diagnostic Troubleshooting Codes DTCs