U0217 moderate

Lost Communication With EV Drive Motor Temperature Module

The U0217 code means the vehicle's onboard diagnostic system has detected: Lost Communication With EV Drive Motor Temperature Module. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$300 - $1,200 (parts and labor)
Diagnose CAN Bus Issues
LAUNCH CRP123X Full System Scanner

Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.

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Common Symptoms

  • Drive motor temperature warning
  • Reduced power during acceleration
  • Vehicle enters limp mode under load
  • Motor overheating message
  • Cooling fan running constantly

Probable Causes (Ranked by Likelihood)

  • Failed motor temperature sensor module Very High
  • CAN bus wiring fault High
  • Motor coolant system issue Moderate
  • Electric motor overheating Low

Step-by-Step Diagnostic Procedure

  1. Check motor coolant level and flow

  2. Scan motor temperature module for fault codes

  3. Test CAN bus wiring to temperature sensor

  4. Inspect motor cooling system for blockages

Frequently Asked Questions

Can I drive with U0217?

Only short distances. Without temperature monitoring the motor could overheat.

What causes U0217?

Typically a failed motor temperature sensor or CAN bus wiring fault.

How much does U0217 cost to fix?

Usually $300 to $1,200 depending on the cause.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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