PACCAR MX (2004 Emissions) Fault Code: P062B Internal ECU Injector Power Generation – Voltage Too High
PACCAR MX (2004 Emissions) Fault Code: P062B Internal ECU Injector Power Generation – Voltage Too High
SET CONDITIONS:
The internal ECU injector power supply voltage is too high.
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:
Clear the fault with the diagnostic service tool. If the fault reoccurs after ignition on, replace the ECU.
ADDITIONAL INFORMATION:
1. Numerous OBD monitors will not run anymore.
2. Humidity calculation and correction switched off.
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