OBD Guide

P1E48

14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit

P1E48 is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit . Common causes: overheating of the 14-volt power module, malfunction of temperature sensor no. 2. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Dashboard warning
  • Reducing the power of additional systems
  • Disabling the 14-volt system
  • Increased temperature in the engine compartment

Causes

  • Overheating of the 14-volt power module
  • Malfunction of temperature sensor No. 2
  • Open or short circuit in the sensor circuit
  • Problems with module cooling
  • Control unit malfunction

How to Fix

  1. Check the temperature of the power module manually
  2. Inspect the temperature sensor circuit for damage
  3. Check the resistance of the temperature sensor
  4. Clean the module vents
  5. If necessary, replace the sensor or module

Related codes

FAQ

What does the P1E48 code mean?

P1E48 is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Temperature Sensor 2 High Temperature Sensing Circuit

What causes a P1E48 error code?

The most common causes of P1E48 include: Overheating of the 14-volt power module; Malfunction of temperature sensor No. 2; Open or short circuit in the sensor circuit; Problems with module cooling.

How do I fix a P1E48 diagnostic trouble code?

To fix P1E48: Check the temperature of the power module manually. Inspect the temperature sensor circuit for damage. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E48?

Yes, but get it checked soon

How much does it cost to fix P1E48?

The estimated repair cost for P1E48 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat