OBD Guide
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P15CE

Intelligent Battery Sensor Wake-up Line Short Circuit To B+ Or Earth

P15CE is an OBD-II diagnostic trouble code meaning: Intelligent Battery Sensor Wake-up Line Short Circuit To B+ Or Earth. Common causes: damage to ibs sensor wiring harness, short circuit in wake-up circuit. Estimated repair cost: $39–94.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$39–94 (est.)

Symptoms

  • Check Engine Light Is On
  • Problems with the start-stop system
  • Incorrect battery voltage readings
  • Errors in the operation of energy-saving systems
  • Low Battery Warning

Causes

  • Damage to IBS sensor wiring harness
  • Short circuit in wake-up circuit
  • Smart Battery Sensor Malfunction
  • Problems with the body electronics control unit
  • Oxidation of contacts in connectors

How to Fix

  1. Perform a visual inspection of the IBS wiring harness
  2. Check the integrity of the wake-up circuit
  3. Measure sensor resistance
  4. Check contacts in connectors
  5. Replace the smart battery sensor if necessary

Related codes

P15CFP15CD

FAQ

What does the P15CE code mean?

P15CE is an OBD-II diagnostic trouble code that indicates: Intelligent Battery Sensor Wake-up Line Short Circuit To B+ Or Earth

What causes a P15CE error code?

The most common causes of P15CE include: Damage to IBS sensor wiring harness; Short circuit in wake-up circuit; Smart Battery Sensor Malfunction; Problems with the body electronics control unit.

How do I fix a P15CE diagnostic trouble code?

To fix P15CE: Perform a visual inspection of the IBS wiring harness. Check the integrity of the wake-up circuit. Measure sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P15CE?

Yes, but get it checked soon

How much does it cost to fix P15CE?

The estimated repair cost for P15CE is $39–94. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat