2
Diagnostics, Troubleshooting and Testing
13
WABCO
Maintenance Manual MM-1306 (Revised 08-18)
Table B: Diagnostic Trouble Code Table
SPN
FMI
Cause/Description
Action/Repair Instructions
70
19
Incorrect J1939 Parking Brake Switch
data received in CCVS1 message (from
engine ECM, body, cab or chassis
controller)
앫
Verify operation of the Parking Brake Switch and the ECU
broadcasting this information on the J1939 network (engine ECM,
body, cab or chassis controller) is functional.
앫
Verify the correct radar part number is installed on the vehicle.
84
19
Incorrect J1939 Wheel-Based Vehicle
Speed data received in CCVS1
message (usually from engine ECM)
앫
Verify the correct radar part number is installed on the vehicle.
앫
Verify the engine ECM is functional and has correct software and
parameters.
86
19
Incorrect J1939 Cruise Control Set
Speed data received in CCVS1
message (usually from engine ECM)
앫
Verify the correct radar part number is installed on the vehicle.
앫
Cycle the ignition to clear DTCs after engine servicing.
앫
Verify the engine ECM is functional and has correct software and
parameters.
91
19
Incorrect J1939 Accelerator Pedal
Position 1 data received in EEC2
message (usually from engine ECM,
also possible in body, cab or chassis
controller)
앫
Verify the Accelerator Pedal is operating correctly and the ECU
broadcasting this information on the J1939 network (engine ECM,
body, cab or chassis controller) is functional.
앫
Verify the correct radar part number is used on the vehicle.
188
9
J1939 Engine Configuration 1 (EC1)
message not received or intermittent
앫
Cycle the ignition to clear DTCs after engine servicing.
앫
Verify engine ECM is functional and has correct software and
parameters.
188
19
Incorrect J1939 Engine Speed At Idle
data received in EC1 message from
engine
앫
Cycle the ignition to clear DTCs after engine servicing.
앫
Verify engine ECM is functional and has correct software and
parameters.
190
19
Incorrect J1939 Engine Speed data
received in EEC1 message from engine
앫
Cycle the ignition to clear DTCs after engine servicing.
앫
Verify engine ECM is functional and has correct software and
parameters.
191
19
Incorrect J1939 Transmission Output
Shaft Speed data received in ETC1
message from transmission
앫
Verify the correct radar part number is installed on the vehicle.
앫
Cycle the ignition to clear DTCs after transmission servicing.
앫
Verify the transmission ECU is functional and has correct software
and parameters.
512
19
Incorrect J1939 Driver’s Demand
Engine - Percent Torque data received
in EEC1 message from engine
앫
Cycle the ignition to clear DTCs after engine servicing.
앫
Verify the engine ECM is functional and has correct software and
parameters.
513
9
J1939 Electronic Engine Controller 1
(EEC1) message not received or
intermittent
앫
Cycle the ignition to clear DTCs after engine servicing.
앫
Verify the engine ECM is functional and has correct software and
parameters.
513
19
Incorrect J1939 Actual Engine -
Percent Torque data received in EEC1
message from engine
앫
Cycle the ignition to clear DTCs after engine servicing.
앫
Verify the engine ECM is functional and has correct software and
parameters.
