BPW ECO Tronic EBS - Page 96

96
8.2 Diagnostic Trouble Codes (DTC)
Note: If a DTC is displayed and after following recommended
procedure, no fault is found, the Modulator should be
replaced.
8 System diagnostics
DTC Displayed Description
UNKNOWN The ECU has generated a
DTC that is not recognised
by this version of Trailer
Manager or Trailer Monitor
and so cannot be decoded
UNCONFIGURED SYSTEM Added to ‘CONFIGURATION
ERROR’ when the system
has never been confi gured
SLAVE LOAD PLATE Added to ‘CONFIGURATION
ERROR’ when there is
a problem with the load
sensing parameters for the
slave Modulator
LOAD PLATE Added to ‘CONFIGURATION
ERROR’ when there is
a problem with the load
sensing parameters
VALVE Added to ‘CONFIGURATION
ERROR’ when there is a
problem with the wheel to
valve mapping parameters
TRAILER ROLL STABILITY
SENSOR (TRS)
Added to ‘CONFIGURATION
ERROR’ when there is a
problem with the Trailer Roll
Stability (TRS) parameters
Auxiliary Components Group
AUX1 Auxiliary 1 system / wiring
open, short circuit or
unknown
AUX2 Auxiliary 2 system / wiring
open, short circuit or
unknown
AUX3 Auxiliary 3 system / wiring
open, short circuit or
unknown
AUX4 Auxiliary 4 system / wiring
open, short circuit or
unknown
AUX5 Auxiliary 5 system / wiring
open, short circuit or
unknown
GENERAL LIFT AXLE This is appended to ‘AUX n’
when there is a lift axle fault
REMOTE OVERLOAD LAMP This is appended to ‘AUX n’
when there is an overload
lamp fault
UNKNOWN AUX ECU is programmed with an
auxiliary function that this
Version of Trailer Manager
or Trailer Monitor does not
recognise
DTC Displayed Description
Lining Wear Group
BRAKE PADS
Lining wear wiring open
circuit
TRAILER ROLL STABILITY
SENSOR (TRS) SHORT
CIRCUIT
Lateral accelerometer wiring
short circuit
TRAILER ROLL STABILITY
SENSOR (TRS) OPEN
CIRCUIT
Lateral accelerometer wiring
open circuit
TRAILER ROLL STABILITY
SENSOR (TRS) SIGNAL
Lateral accelerometer signal
fault
Slave Valve Group
SLAVE VALVE SENSOR Pressure transducer open or
short circuit
SLAVE VALVE MODULATOR Hold, Dump or Brake Apply
solenoid open or short
circuit
SLAVE VALVE CABLE Link cable open or short
circuit
SLAVE VALVE SLOW
RECOVERY
Slow recovery of one wheel
slave valve
SLAVE SUSPENSION
PRESSURE LOW
Suspension pressure values
outside operating range