Error code

OBD2 P0613

OBD2P0613
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

TCM Processor.

Severity

severeThe vehicle can be driven but may enter limp mode, limiting transmission functionality.

Summary

P0613 indicates a processor error in the Transmission Control Module (TCM), which is responsible for controlling automatic transmissions.

Symptoms

  • Harsh or erratic shifting
  • Transmission may not engage/disengage gears properly
  • Mechanical noises from transmission
  • Vehicle enters limp mode

Common Causes

  • Burnt, damaged, shorted, disconnected, or corroded wiring and connectors
  • Abnormal system voltages due to charging system issues
  • Voltage spikes caused by improper jump starting
  • Disconnecting the battery unnecessarily
  • Corrupted software from aftermarket performance settings

Diagnosis

  1. Record all fault codes and freeze frame data.
  2. Test the charging system to ensure normal voltages.
  3. Inspect TCM wiring for damage or corrosion.
  4. Check fuses and relays in the TCM circuit.

Fixes

  • Replace the TCM if it is faulty

FAQ

Can I drive with P0613?

Yes, but driving may be limited to limp mode which restricts transmission functionality.

What causes the TCM processor error?

Common causes include electrical issues like damaged wiring or abnormal system voltages, and software corruption from aftermarket settings.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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