LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2004 >> Swift + >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Data Link Communication System >> Diagnostic Information and Procedures >> DTC U0100 - U0299 >> Test Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test Description

The numbers below refer to the step numbers in the diagnostic table.

  1. 1:  When the ECM stores a DTC U0101, a DTC U2105 simultaneously sets in the TCM. Performing the diagnostic procedures in DTC U2105 will repair DTC U0101.
DTC U0100-U0299

Step Action Yes No
1 
  1. Use the scan tool in order to clear the DTCs.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine.
  4. Use the scan tool and check for DTCs.
Is DTC U0101 present?		 Go to DTC U2105 (European and N. American Emissions) in Automatic Transmission Go to Step 2 
2 Does the scan tool communicate with the engine control module (ECM) and transmission control module (TCM)? Go to Symptoms - Data Link Communications  Go to Scan Tool Does Not Communicate with Component 
scientia non olet · About LEMON Manuals