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