OBD Guide
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P1DC6

Transmission Control Module not Programmed

P1DC6 is an OBD-II diagnostic trouble code meaning: Transmission Control Module not Programmed. Common causes: replacing the transmission control module without programming, tcm software failure. Estimated repair cost: ~$167.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$167 (est.)

Symptoms

  • Incorrect gear shifting
  • Transmission transition to emergency mode
  • Malfunction indicator light comes on
  • Reduced vehicle dynamics

Causes

  • Replacing the transmission control module without programming
  • TCM software failure
  • Problems with communication between modules
  • Failed software update

How to Fix

  1. Check TCM software status
  2. Reprogram the transmission control module
  3. Check the connection and integrity of the wiring harness
  4. Update the software of other related modules
  5. Check for manufacturer's technical bulletins

Related codes

P1DC5P1DC7P0600

FAQ

What does the P1DC6 code mean?

P1DC6 is an OBD-II diagnostic trouble code that indicates: Transmission Control Module not Programmed

What causes a P1DC6 error code?

The most common causes of P1DC6 include: Replacing the transmission control module without programming; TCM software failure; Problems with communication between modules; Failed software update.

How do I fix a P1DC6 diagnostic trouble code?

To fix P1DC6: Check TCM software status. Reprogram the transmission control module. Check the connection and integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1DC6?

Yes, but get it checked soon

How much does it cost to fix P1DC6?

The estimated repair cost for P1DC6 is ~$167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat