How to Solve Bobcat Engine P2A8C P2A8D DEF Speed Duty Low/High Error

Here is the instruction show you guide on how to solve Bobcat engine DCU P2A8C and P2A8D DEF pump motor speed duty low/high error.

 

Related Contents:

Bobcat Engine Analyzer ECU DCU 2023

2023 Bobcat Service Analyzer 91.15 91.05 Diagnostic Free Download

 

1) Overview

U004374-23

1 Electric problem (Supply module connector)
2 Electric problem (Wiring harness DCU to supply module,Supply module)
3 Electric problem (DCU connector, DCU)

1

 

2) Component Location

2

 

3) Condition for Running Diagnostic
When pump motor is normal
4) Condition for Setting the Fault Code
When the sensor value (raw duty cycle) is less than 4%
5) Condition for Clearing the Fault Code
When the sensor value (raw duty cycle) is greater than 4%
6) Check List

More repair topic for Bobcat,please refer to:Bobcat Excavator Repair

 

Step	Inspection	Standard Value	YES	NO
1	P2A8C/P2A8D is occurred on diagnostic tool?	Step 2
2	After let the machine be in safety area and turn off the key switch	Step 3
3	Check sensor connection Connection problem?	Do necessary repair	Step 4
4	Check DCU connection Connection problem?	Do necessary repair	Step 5
5	Check the DCU voltage related pin connection and harness. Pin or connection problem?	Do necessary repair	Step 6
6	Check continuity and electrical insulation Electrical problem?	Fix harness	Change SM

 

2023 Bobcat Engine Analyzer ECU DCU Diagnostic Software