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1.14 Instrument Cluster (IC)    >   12 Diagnosis - Diagnostic Trouble Code (DTC) Memory

Note regarding HHT: The Instrument Cluster (IC) and the functions of the Flexible Service System (FSS) can be tested using the HHT, the following functions are available: 1. Control module version 2. Diagnostic Trouble Code (DTC) Memory 3. Actual values 4. Activation 5. Version Coding By pressing the continue key on the HHT, additional information can be recalled for test steps 2, 3 and 5. Note regarding version coding: The following HHT options are available during version coding: 1. Read out of version code and transfer of IC and FSS information to a new instrument cluster. 2. Read out/change of version code: Motor version Country version Fuel tank version Optional equipment, etc. 2. Setting of: 1. Oil changes (FSS) 2. Mileage (forward/backward) 3. Mistakenly deleted oil changes resetting (FSS) 4. Flexible Service System 5. Time setting with battery terminal removed 6. Setting warning for oil level at minimum Note Prior to the replacement of a defective instrument cluster, readout and store IC data in the HHT. After installing the instrument cluster download the previously stored values back into the new instrument cluster. If the readout of the stored version coding is not possible, the download must be performed manually (by utilizing the HHT menu). If substituting a new instrument cluster for testing, do not set the mileage as it cannot be set back later.