OBD Guide

P0E17

Hybrid/EV Battery Pack Coolant Heater B Control Circuit Low

P0E17 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Heater B Control Circuit Low. Common causes: battery coolant heater malfunction, open or short circuit in control circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced EV range in cold weather
  • Hybrid system fault indication
  • Reduced battery efficiency
  • Uneven heating of the battery
  • Possible power limitation

Causes

  • Battery coolant heater malfunction
  • Open or short circuit in control circuit
  • Poor contact in control circuit connectors
  • Malfunction of the hybrid system control module
  • Heater Circuit Fuse or Relay Problems

How to Fix

  1. Check the integrity of the heater control circuit
  2. Check connectors and contacts for corrosion or damage
  3. Check the functionality of the coolant heater
  4. Check heater circuit fuses and relays
  5. Scan the hybrid control module for additional errors

Related codes

Error P0E17 by Vehicle Brand

FAQ

What does the P0E17 code mean?

P0E17 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Heater B Control Circuit Low

What causes a P0E17 error code?

The most common causes of P0E17 include: Battery coolant heater malfunction; Open or short circuit in control circuit; Poor contact in control circuit connectors; Malfunction of the hybrid system control module.

How do I fix a P0E17 diagnostic trouble code?

To fix P0E17: Check the integrity of the heater control circuit. Check connectors and contacts for corrosion or damage. Check the functionality of the coolant heater. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0E17?

Yes, but get it checked soon

How much does it cost to fix P0E17?

The estimated repair cost for P0E17 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat