2013 PACCAR MX-13 – P0562 ECU PCI power supply – Data valid but too low on ECU D420 pin B60 or B61 or B62

Fault code information

1 trip MIL
3 drive cycle recovery
Readiness group – None
Freeze frame type – Comprehensive

Description of component(s)

This information not required since this is an internal PCI issue.

Location of component(s)

This information not required since this is an internal PCI issue.

Diagnostic condition

This diagnostic runs continuously when the ignition is on.

Set condition of fault code

The ECU power supply voltage is too low.

Reset condition of fault code

This DTC changes to inactive when the fault is no longer detected.

Electrical diagram(s)

This information not required since this is an internal PCI issue.

Technical data

This information not required since this is an internal PCI issue.

Possible causes

Check the power supply level.

Additional information

Numerous diagnostics will not run anymore.

Diagnostic Step-by-Step

Verification Drive Cycle

To validate the repair, with the brakes set, turn the key to the ON position with the engine off, and allow 10 seconds for the system to initialize and run diagnostics

 

 

 

 

 

Leave a Reply

Your email address will not be published. Required fields are marked *