Honda HR-V: DTC U0073 F-CAN Communication Bus Line Error
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DTC (Power Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagnosis Test Mode
A - Initial Communication and DTC Checks.
1. Problem verification:
- Clear the DTCs with the HDS.
Clear DTCs
- Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
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Is DTC U0073 indicated?
YES
Go to DLC Circuit Troubleshooting.
NO
Intermittent failure, the system is OK at this time.
READ NEXT:
NOTE:
Refer to the DTC code shown on the display, and then inspect the
connectors and terminals based on the
instructions in the table below.
The DTC may be stored due to the grounding failure o
DTC (Power Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN
NOTE:
Refer to the DTC code shown on the display, and then inspect the
connectors and terminals based on the instructions in the table below.
The DTC may be stored due to the grounding failure or
SEE MORE:
1. A/C compressor clutch condition check.
Start the engine, and let it idle.
Turn the blower switch on.
Turn the A/C switch on.
Check the parameter(s) below with the HDS.
Do the current condition(s) match the threshold?
YES
Go to step 2.
NO
Do the A/C system test.
2. A/C system check.
Check
Inspection
1. Differential Backlash - Inspect
Install both axles into the differential, then place the axles on
V-blocks (A)
Check the backlash of the pinion gears (B) using a dial indicator (C).
Standard: 0.05-0.15 mm (0.0020-0.0059 in)
If the backlash is out of the standard, replace the d