OBD Guide
ENFRDEESPT

P1ED9

Battery Charger Converter Input Voltage Sensor 1 Circuit Low Voltage

P1ED9 is an OBD-II diagnostic trouble code meaning: Battery Charger Converter Input Voltage Sensor 1 Circuit Low Voltage. Common causes: input voltage sensor fault, open or short circuit in the circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Battery charging problems
  • Reduced electrical system performance
  • Possible problems starting the engine

Causes

  • Input voltage sensor fault
  • Open or short circuit in the circuit
  • Charger problems
  • ECU malfunction
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check the voltage at the sensor
  3. Replace sensor if necessary
  4. Check the operation of the charger
  5. Check connections and connectors

Related codes

P1EDAP1EDBP1ED8

FAQ

What does the P1ED9 code mean?

P1ED9 is an OBD-II diagnostic trouble code that indicates: Battery Charger Converter Input Voltage Sensor 1 Circuit Low Voltage

What causes a P1ED9 error code?

The most common causes of P1ED9 include: Input voltage sensor fault; Open or short circuit in the circuit; Charger problems; ECU malfunction.

How do I fix a P1ED9 diagnostic trouble code?

To fix P1ED9: Check the integrity of the sensor circuit. Check the voltage at the sensor. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1ED9?

Yes, but get it checked soon

How much does it cost to fix P1ED9?

The estimated repair cost for P1ED9 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat