OBD Guide
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P17DD

Transmission Range Control Module System Voltage Low

P17DD is an OBD-II diagnostic trouble code meaning: Transmission Range Control Module System Voltage Low. Common causes: poor contact in module connectors, open or short circuit in wiring. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect gear shifting
  • Check Engine light comes on
  • The transmission goes into emergency mode
  • Difficulty starting the engine
  • Power Loss

Causes

  • Poor contact in module connectors
  • Open or short circuit in wiring
  • Range control module malfunction
  • Battery or alternator problems
  • Contact corrosion

How to Fix

  1. Check the voltage at the battery terminals
  2. Inspect module connectors and wiring
  3. Check the integrity of the module power supply circuit
  4. Replace the range control module if necessary
  5. Clean contacts from corrosion

Related codes

P17DCP17DEP17DF

FAQ

What does the P17DD code mean?

P17DD is an OBD-II diagnostic trouble code that indicates: Transmission Range Control Module System Voltage Low

What causes a P17DD error code?

The most common causes of P17DD include: Poor contact in module connectors; Open or short circuit in wiring; Range control module malfunction; Battery or alternator problems.

How do I fix a P17DD diagnostic trouble code?

To fix P17DD: Check the voltage at the battery terminals. Inspect module connectors and wiring. Check the integrity of the module power supply circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P17DD?

Limited driving only, diagnose soon

How much does it cost to fix P17DD?

The estimated repair cost for P17DD is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat