OBD
P0613
TCM Processor
What it means
P0613 means TCM Processor.
Check these first
- An internal TCM processor fault
- Corrupted TCM software
- Low battery voltage or a voltage spike
- A poor TCM ground or power feed
- A failed TCM
What to do next
- Check battery voltage and the TCM grounds
- Scan the TCM for other internal codes
- Inspect the TCM connectors for corrosion
- Reprogram the TCM with the latest calibration
- Replace the TCM if the processor fault returns
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.