2012-2017 Peterbilt, Kenworth Multiplexed Electrical System Diagnostic Manual

Covers: 2012-2017 PB and KW NGP trucks

• PB 365, 367, 384, 386, 388, 389, 579
• KW T680
• NAMUX4 CAN Architecture
• with P30-1011-xxx, P30-1018-XXX software only

Pages: 252
Format: PDF
File size: 7mb
Works with: Windows/Mac/Tablet/Smartphone
Notes: Searchable, printable, instant download

This diagnostic manual provides information covering the multiplexing system in 2012 through 2017 Peterbilt & Kenworth NGP trucks with CECU3 with Chassis Node. It also includes CECU trouble codes and diagnostic procedures to assist you with fault finding. This is an official guide for diesel mechanics who need accurate OEM technical specifications and instructions. Downloadable PDF publication dated December 2016.

Topics:

• Multiplexing Overview
• General Information
• Models–Build Dates
• Control Unit Location
• Software P30-1011 Features
• How it Works
  • NAMUX 4 CAN Schematic
  • CECU Details
  • Chassis Node Details
  • Electric Over Air Switches
  • Tire Pressure Monitoring System (TPMS)
• CECU DTC Codes
• Troubleshooting CECU DTCs
• CAN Troubleshooting Procedures
• Common NAMUX 4 Issues and Solutions
• CECU Programming
• CECU Reflash
• Installing Optional Gauges and Switches
• Voltage Trim Procedure
• CECU Replacement
• Chassis Node Replacement
• Display Diagnostic Trouble Codes (DTCs)
• Index

Example codes covered in this manual:

• Fuel Filter Restriction 16xx
• Wait Starter Cooldown Enforced 1675xx
• High Beam Lamp(s) Fault 2348xx
• Low Beam Lamp(s) Fault 2350xx
• Left Front Lamp(s) Fault 2368xx
• Right Front Lamp(s) Fault 2370xx
• Left Rear Lamp(s) Fault 2372xx
• Right Rear Lamp(s) Fault 2374xx
• Marker Lamp(s) Fault 2378xx
• Clearance Lamp(s) Fault 2382xx
• Primary Fog Lamps Fault 2388xx
• Secondary Fog Lamps Fault 2390xx
• Left Trailer Lamp(s) Fault 2396xx
• Right Trailer Lamp(s) Fault 2398xx
• Current Sensor Fault 2579xx
• Main Light Switch Fault 2872xx
• Sec. Light Switch Fault 2873xx
• High Beam Switch Fault 2874xx
• Hazard Switch Fault 2875xx
• Turn Lamp Switch Fault 2876xx
• CECU Power Input 3509xx 3510xx
• Correct at Next Service 3511xx 3512xx 3513xx 3514xx 5125xx 5126xx 5127xx 5128xx
• Vehicle Speed Message Missing 8409
• Accel Pedal Message Missing 9109
• App. Air Pressure Sensor Open 11603
• App. Air Pressure Sensor Short 11604
• Pri. Air Pressure Sensor Open 11703
• Pri. Air Pressure Sensor Short 11704
• Sec. Air Pressure Sensor Open 11803
• Sec. Air Pressure Sensor Short 11804
• Ignition Power Circuit Fault 15802
• Ignition Power Circuit Fault 15803
• Ignition Power Circuit Fault 15804
• Control Unit Over Voltage 16800
• Control Unit Under Voltage 16801
• Outside Temp Sensor Open 17103
• Outside Temp Sensor Short 17104
• Instant Economy Message Missing 18409
• Engine Speed Message Missing 19009
• Odometer Offset Recalculated 24510
• Engine Hours Message Missing 24709
• Total PTO Hours Message Missing 24809
• Gauge Bus Power Open Circuit 67805
• Gauge Bus Power Short Circuit 67806
• Pri. Fuel Level Sensor Open 82903
• Pri. Fuel Level Sensor Short 82904
• Vehicle Distance Message Missing 91709
• Total PTO Fuel Message Missing 102809
• Instrument Bus Comm Failure 123109
• ABS J1939 Failure 148109
• Trans. J1939 Failure 148209
• Engine J1939 Failure 148309
• Dash Dimmer Switch Open 149106
• Dash Dimmer Switch Short 149206