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.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $300 - $1,200 (parts and labor)

Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
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
-
Check motor coolant level and flow
-
Scan motor temperature module for fault codes
-
Test CAN bus wiring to temperature sensor
-
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.
Explore More
Was this helpful?
Send this to whoever is fixing the car — your mechanic, or the person asking what the light means.