JCB ISUZU 6HK1 Engine U0110 VNT System Lost Communication Solution

This instruction show you guide on how to solve JCB Isuzu 6HK1 INT-Tier4 engine DTC U0110 Flash Code 87 lost communication with VNT system error.

Preparations:

ISUZU E-IDSS 2024 2019 Engine Diagnostic Service System Free Download

ISUZU IDSS MX2-T

 

Procedures:

U0110 Diagnostics

1 Turn OFF the ignition switch.

2 Remove the harness connector from the turbo control unit.

3 Measure the voltage between the ISO CAN-Low circuit and GND of the turbo control unit harness connector.

4 Measure the voltage between the ISO CAN-High circuit and GND of the turbo control unit harness connector.

Voltage:1.5 to 3.5 V

5 If the reading is outside the specified range, inspect to see if there is an open circuit or high resistance with the ISO CAN-High circuit between the turbo control unit and the ECM.

6 If a problem is found, repair the ISO CAN-High circuit.

7 Inspect to see if there is an open circuit or high resistance with the ISO CAN-Low circuit between the turbo control unit and the ECM.

8 If a problem is found, repair the ISO CAN-Low circuit.

9 Inspect the turbo control unit harness connector for a poor connection.

10 If a problem is found, repair the harness connector.

11 Replace the turbocharger assembly.

 

U0110 Confirm Resolution

1 Clear the DTC using the trouble diagnosis scan tool.

2 Turn OFF the ignition switch for at least 30 seconds.

3 Start the engine.

4 Perform a test-run.

5 Use the trouble diagnosis scan tool to confirm that a DTC has not been detected.

 

More repair cases for ISUZU engine,please refer to:ISUZU Engine Trouble Repair

auto

Recent Posts

PACCAR Brake Saver Oil Temperature Gauge Inoperative DTC138703 and DTC138704

This instruction show you guide on how to solve PACCAR brake saver oil temperature gauge…

57 mins ago

Deutz EMR3 Engine Trouble Code 19 / 676 / ArHtCD_NoLd Solution

This instruction show you guide on how to solve Deutz EMR3 engine trouble code 19…

20 hours ago

Fendt 1000 S4 Tractor 1001 Crossgate Lever Calibration Guide

Here is the instruction show you guide on how to calibrate 1001 crossgate for Fendt…

3 days ago

How to Adjust Neutral for Kubota L3901 Tractor Transmission

This instruction show you guide on how to adjust neutral Kubota L3901 tractor transmission.  …

5 days ago

ISUZU Construction 4JJ1 Engine P0089 Fuel Rail Pressure Regulator Performance

Here is the instruction show you guide on how to solve ISUZU construction 4JJ1 engine…

1 week ago

Massey Ferguson Tractor 6700 Trouble Code SPN 97, FMI 31 Water in Fuel

Here is the instruction show you guide on how to solve Massey Ferguson tractor 6700…

1 week ago