P1626 databus drive:train missing message from transmission control module

Fault P1626 databus drive:train missing message from transmission control module is related to the problem with automatic transmission. Fault code could be store in engine control module or ABS control module . There are three control modules which are present in vehicle which are connected with each other ECU, TCM, ABS. These three control modules play an important role in driving vehicle. These three control module are connected with each other with the help of CAN bus communication. When there is any problem found inside any of these three control module. Fault code could be store in each of these control module.

When fault P1626 is found in ABS control module this means that there is a problem inside the automatic transmission control module or in its gear box. When fault P1626 databus drive:train missing message from transmission control module store in control module it might be possible that car is not moving from its place. If in any case car is moving than automatic transmission can get stuck at any place. Most of the time car is moving in forward direction but did not move in reverse direction.

Causes of P1626 databus drive:train missing message from transmission control module:

  • Faulty Transmission control module.
  • Faulty other control module.
  • Blow fuse.
  • Damage wiring harness.
  • Faulty mechatronic in gear box.

Symptoms :

  • Automatic transmission will stop working.
  • Transmission warning light will illuminate on cluster meter.
  • Fault code will store in control module.
  • Car may not start.

How to trouble shoot :

  • Fault code P1626 is a serious problem with vehicle automatic transmission gear box. Mechanic need deal with this fault code very carefully. Mechanic need to scan vehicle with scan tool to find out or rectify fault code status.
  • Check fault code in Engine control module, transmission control module, ABS control module. Check and rectify all fault code store in these control module. If all other fault codes store in these control module indicating problem towards automatic transmission gear box.
  • Then go to check all fuses and damage wiring harnes.
  • Check power supply and ground at transmission control module. Check main power supply from battery and ignition power supply from fuse carefully as sometime there is no ignition power supply due to which transmission mechatronic did not get proper power supply and stop working due to which fault code store in control module.
  • If all the things till transmission control module is good then check for failure of transmission control module.
  • If transmission control module is also working good then go to check transmission mechatronic that can be faulty.
  • In some vehicle there is a transmission control module and in some vehicle there is no transmission control module.

Solution of P1626 databus drive:train missing message from transmission control module :

  • Replace faulty transmission control module.
  • Repair damage wiring harness,
  • Replace faulty fuse.
  • Repair or replace faulty mechatronic.
  • Replace other faulty control module.

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