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DTC C2120: TPM System Malfunction: Testing

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. If tire pressure monitoring diagnostic system check has been performed, go to next step. If tire pressure monitoring diagnostic system check has not been performed, go to TIRE PRESSURE MONITORING (TPM) SYSTEM DIAGNOSTIC SYSTEM CHECK under DIAGNOSTIC TESTS in ANALOG INSTRUMENT PANELS - CORVETTE article.
  2. Using buttons on DIC, enter the TIRE TRAINING mode. See TIRE PRESSURE MONITOR (TPM) SENSOR PROGRAMMING  under PROGRAMMING. If programming can be performed using DIC, go to next step. If programming cannot be performed using DIC, go to INSTRUMENT PANEL CLUSTER (IPC) DIAGNOSTIC SYSTEM CHECK under DIAGNOSTIC TESTS in ANALOG INSTRUMENT PANELS - CORVETTE article.
  3. Program all TPM sensors. If programming of TPM sensors is not successful, go to next step. If programming of TPM sensors is successful, go to step  5 .
  4. Check that all TPM sensors are installed and not damaged. See TIRE PRESSURE SENSOR  under REMOVAL & INSTALLATION. If any TPM sensors are damaged or missing, go to step  6 . If all TPM sensors are present and not damaged, go to step  7 .
  5. Clear DTCs using scan tool. Road test vehicle above 15 mph for 20 minutes. If DTC C2120 resets, go to step  7 . If DTC C2120 does not reset, test is complete.
  6. Replace TPM sensors as necessary. After repairs, go to step  8 .
  7. Replace remote control door lock receiver. See REMOTE CONTROL DOOR LOCK RECEIVER  under REMOVAL & INSTALLATION. After repairs, go to next step.
  8. Turn ignition off. Reconnect any disconnected components or connectors. Clear all DTCs. After repairs, go to TIRE PRESSURE MONITORING (TPM) SYSTEM DIAGNOSTIC SYSTEM CHECK under DIAGNOSTIC TESTS in ANALOG INSTRUMENT PANELS - CORVETTE article.
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