PACCAR MX (2004 Emissions) Fault Code: P0562 PCI ECU Power Supply – Data Valid but Too Low on ECU (D420) Pin (B60) or Pin (B61) or Pin (B62)
PACCAR MX (2004 Emissions) Fault Code: P0562 PCI ECU Power Supply – Data Valid but Too Low on ECU (D420) Pin (B60) or Pin (B61) or Pin (B62)
SET CONDITIONS:
The ECU power supply voltage is too low.
DIAGNOSTIC CONDITION:
This diagnostic runs continuously when the ignition is on.
CORRESPONDING OBD READINESS MONITOR:
None
RESET CONDITION:
This DTC changes to inactive when the fault is no longer detected.
REPAIR VERIFICATION:
1. Clear all DTCs.
2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
3. Did the DTC come back?
– No, repair successful
– Yes, repair unsuccessful
POSSIBLE CAUSES:
Check the power supply level
ADDITIONAL INFORMATION:
Numerous diagnostics will not run anymore.
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Allison 3000 & 4000 Gen 4 Fault Code: P0562 System Voltage Low
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