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2018 Canbus System Wiring Diagram / Layout

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https://mopar1973man.com/cummins/articles.html/4th-generation/engine/78_electrical/2018-canbus-system-wiring-diagram-layout-r594/

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This Article cover the Canbus Layout and Wiring Diagrams For a 2018 RAM HD. This should be the same for most late model 4th gen trucks

Canbus C Layout Diagram

Canbus C Wiring

Canbus Private Wiring

DataLink Wiring

Canbus IHS Layout Diagram

Canbus IHS Wiring

LIN Network Layout Diagram

Lin Bus Network Wiring

Vehicle System Interface

https://mopar1973man.com/cummins/articles.html/4th-generation/engine/78_electrical/2018-canbus-system-wiring-diagram-layout-r594/

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TSB 18-006-12 - Diagnostic Enhancements For Fuel System
TSB 18-006-12 - Diagnostic Enhancements For Fuel System

Mopar1973Man · Friday at 10:23 PM3 days

TSB 18-006-12 - Diagnostic Enhancements For Fuel System THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-011-11 REV. B., DATED JULY 1, 2011, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH ASTERISKS AND INCLUDE ADDITIONAL OVERVIEW AND DIAGNOSTIC INFORMATION. HELP USING THE wiTECH DIAGNOSTIC APPLICATION FOR FLASHING AN ECU IS AVAILABLE BY SELECTING “HELP” THEN “HELP CONTENTS” AT THE TOP OF THE wiTECH DIAGNOSTIC APPLICATION WINDOW. THE wiTECH SOFTWARE LEVEL MUST BE AT RELE
Mopar1973Man

Friday at 10:23 PM3 days

Mopar1973Man

Friday at 10:23 PM3 days
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- 75 views
P1222 - Leak Detection During Motoring
P1222 - Leak Detection During Motoring

Mopar1973Man · Friday at 10:06 PM3 days

P1222 - Leak Detection During Motoring NOTE: For a complete wiring diagram, refer to the Wiring Information. When engine is motoring (i.e. Engine is running, but requires no fuel injection) the only required fuel delivery to the rail is due to natural leakage in the system. The natural leakage depends directly on the rail pressure. A definite amount of fuel is required to overcome the natural leakage, for different fuel pressures. The Engine Control Module (ECM) sets Leakage Detected, when the
Mopar1973Man

Friday at 10:06 PM3 days

Mopar1973Man

Friday at 10:06 PM3 days
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- 53 views
P1223 - Leak Detection Based On Quantity Balance
P1223 - Leak Detection Based On Quantity Balance

Mopar1973Man · Friday at 06:02 PM3 days

P1223 - Leak Detection Based On Quantity Balance NOTE: For a complete wiring diagram, refer to the Wiring Information. There is a required amount of fuel required by the fuel system to keep the system stable. The amount of fuel required depends on fuel pressure, injection quantity, engine speed, and coolant temperature. The Engine Control Module (ECM) sets Leakage Detected, when the fuel flow exceeds an expected value. When a leak is detected in the system, a counter is initiated. When the cou
Mopar1973Man

Friday at 06:02 PM3 days

Mopar1973Man

Friday at 06:02 PM3 days
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- 48 views
APPS relocation
APPS relocation

Mace · February 27Feb 27

This is a tech article regarding those who (like me) think the oem spot for the apps is not ideal. Exposed to outside elements, heat, vibration and potential corrosion, moving it inside was most practical. Non Dodge/ midrange applications of Cummins 5.9 24V ISB’s all have their TPS/APPS inside the cab, mounted on the pedal assembly. So nothing is changing on the apps operation, just moving it. This mod does not works on trucks that are auto/use vacuum for crui
Mace

February 27Feb 27

Mace

February 27Feb 27
- 0 comments
- 199 views
200℉ Cummins Thermostat
200℉ Cummins Thermostat

Mopar1973Man · January 8Jan 8

200℉ Cummins Thermostat I've been experimenting with hotter coolant temperatures and found for most daily drivers this is a good way to go. The added heat actually will improve the MPG number just slightly and reduce EGT's slightly. Gates - 34212 - 200℉ This is direct replacement number. It will fit into your 1998.5 to 2002 Dodge Ram Cummins 5.9L engine without any modifications. Results Summer operation floats right around 204 to 210℉ coolant temperatures. With the tuni
Mopar1973Man

January 8Jan 8

Mopar1973Man

January 8Jan 8
- 0 comments
- 265 views

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2018 Canbus System Wiring Diagram / Layout

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Cummins Articles

TSB 18-006-12 - Diagnostic Enhancements For Fuel System

P1222 - Leak Detection During Motoring

P1223 - Leak Detection Based On Quantity Balance

APPS relocation

200℉ Cummins Thermostat

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