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DIAGNOSIS TSB Revision KEYLESS OPERATION SYSTEM (KOS) 42B-103 STEP 9. Recheck for diagnostic trouble code. YES : Start over at Step 1. DTC C1913: Acceleration sensor abnormality 1
DTC C1923: Acceleration sensor abnormality 2
DTC C1933: Acceleration sensor abnormality 3
DTC C1943: Acceleration sensor abnormality 4
DTC C1914: Pressure sensor abnormality 1
DTC C1924: Pressure sensor abnormality 2
DTC C1934: Pressure sensor abnormality 3
DTC C1944: Pressure sensor abnormality 4 CAUTION If there is any problem in the CAN bus lines, an incorrect . DTC SET CONDITION DTC C1913, C1923, C1933, C1943 • The TPMS transmitter detects if the wheel is rotated by the acceleration sensor and sends the signals to KOS-ECU. DTC C1914, C1924, C1934, C1944 • The TPMS transmitter detects if the tire pressure sensor is normal and sends the signal to KOS-ECU. When the TPMS . TROUBLESHOOTING HINTS The most likely causes for this DTC to set are: • Low battery that is incorporated into the TPMS transmitter • Damaged wiring harness and connector • Registered IDs unmatched • Malfunction of TPMS transmitter • Malfunction of KOS-ECU DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) |