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Home >> Honda >> 2003 >> Insight Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Continuously Variable Automatic Transmission (CVT)) >> CVT >> DTC Troubleshooting >> DTC P1630: Problem in TCM >> 2001-2004 Models
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2001-2004 Models

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • Record all freeze data and review General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ) before you troubleshoot.
  • This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
  1. Turn the ignition switch ON (II).
  2. Shift to the P or N position.
  3. Turn the ignition switch OFF.
  4. Disconnect TCM connector A (26P) for more than 5 seconds, then reconnect the connector.
  5. Turn the ignition switch ON (II), and wait for more than 5 seconds.
  6. Check that DTC P1630 recurs.

    Is DTC P1630 indicated? 

    1. YES  -Update the TCM if it does not have the latest software, or substitute a known-good TCM (see HOW TO TROUBLESHOOT CIRCUIT AT THE TCM ), then recheck. If the symptom/indication goes away with a known-good TCM, replace the original TCM.
    2. NO  -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at TCM.