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Honda Fit/Jazz - DTC Troubleshooting: U0122 (126) (With VSA)

Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.

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DTC Troubleshooting: U0122 (126)

DTC U0122: F-CAN Malfunction (VSA-ECM)


1.Turn the ignition switch ON (II).

2.Clear the DTC with the HDS.

3.Start the engine.

4.Check for Temporary DTCs or DTCs with the HDS.

Is DTC U0122 indicated?


YES - Go to 5.


NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the VSA modulator-control unit or the ECM.n


5.Turn the ignition switch OFF, and wait 10 seconds.

6.Disconnect the ECM connector No. 4 (40P) and VSA modulator-control unit 46P connector.

7.Connect the ECM test harness and the test pin box


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