Usage:
3176B (9CK),
3406E (5EK) Truck Engines
A 117-7213 Vehicle Speed Filter is available for field installation on the above engines. This filter should be installed on engines that are logging erroneous vehicle speed diagnostic code 84-10 "Vehicle Speed Rate Of Change" and/or diagnostic code 84-08 "Vehicle Speed Out Of Range". The 117-7213 Vehicle Speed Filter is designed to filter the Original Equipment Manufacturer (OEM) vehicle speed signal that is being fed into the engine Electronic Control Module (ECM).
Troubleshooting
Before installing a 117-7213 Vehicle Speed Filter, some basic vehicle speed circuit troubleshooting steps should be made. Follow "3176B And 3406E Electronic Troubleshooting Guide", Form SENR5582-01, Procedure P506, Steps 1 through 5. If the problem is not resolved after completing this procedure, install a 117-7213 Vehicle Speed Filter. Typical symptoms, in addition to the diagnostic codes 84-10 and 84-08, may include:
-
- * Service Tool displays vehicle speed while the truck is not moving.
- * Speedometer jumps when the truck is stationary (if driven by engine ECM).
- * Service Tool displayed vehicle speed jumps of more than 2 mile per hour (MPH) while the actual truck speed is constant.
- * Cruise control and/or Power Take Off (PTO) kick outs.
- * Reduced engine speed while diagnostic codes 84-10 and/or 84-08 is active.
- * Service Tool displays vehicle speed while the truck is not moving.
In many cases the problem can be recreated and the above troubleshooting can be done while the truck is stationary.
NOTE: When making the connector checks, inspect for moisture entry into the P1, P2, P24/J24 connectors and all OEM vehicle speed circuit connectors. If moisture is present, the root cause of the moisture entry MUST be repaired.
Installation
The 117-7213 Vehicle Speed Filter is installed in series with the existing engine harness P24 and J24 connectors. See the illustration.
NOTE: The P24 and J24 connectors serve as both a vehicle speed and timing calibration connection. When performing a timing calibration on an engine having a 117-7213 Vehicle Speed Filter, connect the 7X-1695 Deutsch DT Timing Probe Cable Assembly directly into the P24 engine harness connector. DO NOT connect the 7X-1695 Deutsch DT Timing Probe Cable Assembly into the vehicle speed filter.
Location to install a 117-7213 Vehicle Speed Filter.