OBD-II code · Powertrain (generic)
P0613 TCM Processor
The transmission control module performs an internal self-test and detects a processor performance fault.
Is it safe to drive with P0613?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyTCM internal fault
- PossibleUnstable supply voltage
- Less likelyModule software outdated, reflash may resolve
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Tcm
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.