Product Manual
9.2 HALDEX BLINK CODES
To access Haldex Blink Codes, you must select the Brake Light Circuit and press the
control knob to cycle the Auxiliary Circuit the appropriate number of times using the
following directions:
See table below for modes and sequences:
1. Make sure trailer is stationary and wheels are properly chocked.
2. On the MUTT®, turn the control knob to select Brake Light Circuit.
3. Push the control knob to cycle Auxiliary Circuit ON for each desired ignition cycle.
Auxiliary Circuit will ash.
5. Each Ignition Cycle must end with both Brake Light and Auxiliary Circuits
simultaneously powered. To do this, press and hold the control knob for ve
seconds during the last ON cycle.
6. Count number of blinks on trailer ABS lamp, see following charts (pg. 26-29) for
specic fault info.
Mode Description Ignition Cycles (Hold 1 Second ON/OFF)
1 Simple/Wheel Speed Mode ON, off, ON
2 Active Faults Mode ON, off, ON, off, ON
3 Stored Faults/Clear Mode ON, off, ON, off, ON, off, ON
4 Conguration Mode ON, off, ON, off, ON, off, ON, off, ON
Item Flash Count Actual Fault
System OK Light Stays On 07
Sensor 1A 1 Flash 01
Sensor 1B 2 Flashes 02
Sensor 2A 3 Flashes 03
Sensor 2B 4 Flashes 04
Sensor 3A 5 Flashes 05
Sensor 3B 6 Flashes 06
Red Valve 7 Flashes 61, 67, 71, 77, 81, & 87
Blue Valve 8 Flashes 62, 68, 72, 78, 82, & 88
Yellow Valve 9 Flashes 63, 69, 73, 79, 83, & 89
Low Voltage 10 Flashes 90
ECU Failure 11 Flashes 93, 99, & E-Codes
25