Scania Truck Auxiliary Heater System Insufficient Voltage Solution

This illustration show you the easy way to solve Scania truck auxiliary heater system ATA 111 insufficient voltage problem.

Related Contents:

2024.043 Scania SDP3 V2.60.1 V2.40 Diagnostic Software Free Download

2023 2018 Scania Multi EPC Parts Catalogue Free Download

Scania VCI3 Diagnostic Adapter Full Chips

 

 

Scania Truck Insufficient voltage

Error identification

The voltage has been too low. Below 20 V.

 

Cause

Fault in cable harness, battery or control unit.

 

Notes

The auxiliary heater was switched off because the voltage to the control unit was too low.

 

Action

Check the voltage supply. Measuring points 1 and 9 in the connector from the auxiliary heater toward the vehicle cable harness. The measurement should not be different from the voltage value from the battery.

If the voltage is above 20 V, renew the control unit.

If the voltage is below 20 V, check the voltage supply.

 

Check connectors and wiring.

Check the positive and negative connections.

Clear the fault code and test run the auxiliary heater and vehicle.

 

For more information about Scania truck,please refer to:Scania Trouble Repair.