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How to use Troubleshooting/inspection Service Points P. DTC U0195: Satellite Radio Tuner CAN Timeout M15204001008USA0000010000 ⦆ If the DTC U0195 is set, be sure to diagnose the ⦆ When replacing the ECU, always check that the TROUBLE JUDGEMENT JUDGEMENT CRITERIA transmission, SRS-ECU determines that an TROUBLESHOOTING HINTS ⦆ The CAN bus may be defective. ⦆ The satellite radio tuner may be defective. ⦆ The SRS-ECU may be defective. DIAGNOSIS Required Special Tools: ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: Vehicles Communication Interface (V.C.I.) ⦆ MB991827: M.U.T.-III USB Cable ⦆ MB991910: M.U.T.-III Main Harness A (Vehicles with STEP 1. Using scan tool MB991958, diagnose the CAN bus ZC501967 AC404789 ZC5019680000 MB991824 MB991827 MB991910 Data link connector To prevent damage to scan tool MB991958, always turn the (1) Connect scan tool MB991958. Refer to "How to connect the (2) Turn the ignition switch to the "ON" position. (3) Diagnose the CAN bus line. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the CAN bus line found to be normal? YES: Go to Step 2. NO: Repair the CAN bus line. (Refer to GROUP 54D, SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-299 SRS AIR BAG DIAGNOSIS |