Important Notice

Ecu CPC4 Gear Speed Cascadia SF

DiPa Code:
BODYCPC006R
OEM Code:
A0034461002
Brand:
DIPA SPORT
Condition:
Remanufactured
Body Computer CPC
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Typical Errors and Defects

Error Codes:
61020C - Internal control unit error

Applications
WESTERN STAR
WESTERN STAR 4700
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
4700 2013-04-01 - 8849 cc 269 KW 366 HP 6 Cylinders Diesel ISL 360
4700 2013-04-01 - 8849 cc 194 KW 264 HP 6 Cylinders Diesel ISL 260
4700 2013-04-01 - 8849 cc 298 KW 405 HP 6 Cylinders Diesel ISL 400
4700 2013-04-01 - 8849 cc 209 KW 284 HP 6 Cylinders Diesel ISL 280
WESTERN STAR 4900
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
4900 2004-01-01 - 2012-12-01 14948 cc 447 KW 608 HP 6 Cylinders Diesel ISX 600
4900 2004-01-01 - 2012-12-01 14948 cc 410 KW 557 HP 6 Cylinders Diesel ISX 550
4900 2004-01-01 - 2012-12-01 14948 cc 392 KW 533 HP 6 Cylinders Diesel ISX 525
4900 2004-01-01 - 2012-12-01 14841 cc 418 KW 568 HP 6 Cylinders Diesel DD15
4900 2004-01-01 - 2012-12-01 14004 cc 392 KW 533 HP 6 Cylinders Diesel S60 (14.0 L)
4900 2004-01-01 - 2012-12-01 14004 cc 384 KW 522 HP 6 Cylinders Diesel S60 (14.0 L)
4900 2004-01-01 - 2012-12-01 14004 cc 373 KW 507 HP 6 Cylinders Diesel S60 (14.0 L)
4900 2004-01-01 - 2012-12-01 14004 cc 354 KW 481 HP 6 Cylinders Diesel S60 (14.0 L)
4900 2004-01-01 - 2012-12-01 14004 cc 320 KW 435 HP 6 Cylinders Diesel S60 (14.0 L)
4900 2012-11-01 - 14948 cc 447 KW 608 HP 6 Cylinders Diesel ISX 600
4900 2012-11-01 - 14948 cc 410 KW 557 HP 6 Cylinders Diesel ISX 550
4900 2012-11-01 - 14948 cc 392 KW 533 HP 6 Cylinders Diesel ISX 525
4900 2012-11-01 - 14948 cc 373 KW 507 HP 6 Cylinders Diesel ISX 500
4900 2012-11-01 - 14841 cc 418 KW 568 HP 6 Cylinders Diesel DD15
4900 2012-11-01 - 14841 cc 395 KW 537 HP 6 Cylinders Diesel DD15
4900 2012-11-01 - 14841 cc 377 KW 513 HP 6 Cylinders Diesel DD15
4900 2012-11-01 - 14841 cc 373 KW 507 HP 6 Cylinders Diesel DD15
4900 2012-11-01 - 14841 cc 354 KW 481 HP 6 Cylinders Diesel DD15
4900 2013-04-01 - 14841 cc 418 KW 568 HP 6 Cylinders Diesel DD15
4900 2013-04-01 - 14948 cc 392 KW 533 HP 6 Cylinders Diesel ISX 525
4900 2013-04-01 - 14948 cc 410 KW 557 HP 6 Cylinders Diesel ISX 550
4900 2013-04-01 - 14948 cc 447 KW 608 HP 6 Cylinders Diesel ISX 600
Techinical Info

The control unit with OE code A0034461002 is a CPC4 (Common Powertrain Controller 4) used on Western Star vehicles equipped with Detroit Diesel engines. The CPC4 operates as the central powertrain controller and as a coordination node between the engine, transmission and vehicle networks: it receives signals from controls and sensors (in particular from the accelerator pedal and vehicle management inputs), processes torque/limitation logic and exchanges messages with other control units via datalink (diagnostics and function management).

Technical specifications

  • Type: CPC4 – Common Powertrain Controller 4
  • Functional role: powertrain management and coordination and parameterized vehicle functions and data exchange on the network

DIPA can intervene to overhaul these components thanks to its experience and expertise.

Functions

  • Management of signals from the accelerator pedal (power supply, redundancy handling) and transmission of torque requests on the powertrain network
  • Logic for torque/speed limitation and safety strategies based on conditions and messages received on the network
  • Interface between engine and vehicle: exchange of information with related modules (transmission, ABS, instrument cluster, body/chassis)
  • Function as a communications hub for some powertrain information, including part of the network diagnostics (depending on the electrical layout)
  • Management of vehicle parameters that can affect auxiliary functions (typical example: strategies related to A/C requests and engine fan control via CPC parameters, where provided by the architecture)

Model applications

  • Western Star 4700/4900

Typical faults

  • The vehicle does not start or exhibits the fault intermittently
  • The throttle control is inactive
  • The control unit does not connect to the diagnostic tool
  • Warning light on: vehicle in recovery mode 

Possible associated codes

  • 61020C - Internal control unit error

Final conclusions

The Western Star CPC4 OE A0034461002 is a strategic control unit for powertrain operation: it manages critical signals (in particular the accelerator), exchanges data with vehicle networks and contributes to defining torque/limitation parameters and enabling conditions.

DIPA has a wide range of spare parts dedicated to the Truck world, construction vehicles and industrial equipment. Not only that: it has reconditioned components with performance equal to new, which make it possible to achieve savings on replacement while contributing to environmental protection thanks to the circular economy. If the spare part you need is not available, don't worry: DIPA can overhaul your part "on demand", restoring full functionality and safety in a short time.