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

QSK60 CM2358 Engine Camshaft Speed/Position Sensor Data Erratic Incorrect

This illustration show you guide on how to repair Cummings QSK60 CM2358 engine camshaft speed/position…

5 days ago

Fendt MT800E Tractor DEF Tank Temperature Does Not Change Solution

Here is the instruction show yo guide on how to solve Fendt MT800E tractor DEF…

1 week ago

HITACHI Construction 4JJ1 P0092 Fuel Pressure Regulator Control Circuit High

Here car-auto-repair.com show you guide on how to solve ISUZU construction 4JJ1 engine P0092 fuel…

1 week ago

How to Solve Perkins 1106D EPG Engine E398 Low Fuel Rail Pressure Error

Here is the illustration show you guide on how to solve Perkins 1106D electric power…

1 week ago

Deutz EMR3 Aassembly Inspection and Initialisation Test Guide

Here comes the instruction on how to use SerDia2010 to perform assembly inspection and initialization…

1 week ago

HITACHI ZX-5 Excavator No Load Max Differential Pressure Measurement Guide

This instruction show you guide on how to perform No load max differential pressure measurement…

2 weeks ago