P1923
Read the instructions below then start the fault diagnostic procedure.
Symptom: Loss of performance.
| P1923 |
TCM Missing on BUS
Fault symptoms
| • |
Loss of performance.
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On-Board Diagnostics
Enable criteria:
| - |
Turn Ignition On.
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Fault criteria:
| - |
Missing or faulty signal (via bus) from the TCM.
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System reaction to a fault:
| - |
Limp Home, torque limitation.
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For more information, see also:
- "Read Values" menu for a description of read values.
- "Activate" menu for a description of applications.
