OBD Guide
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C1724

Battery Voltage Of Front Left Transmitter Drops

C1724 is an OBD-II diagnostic trouble code meaning: Battery Voltage Of Front Left Transmitter Drops. Common causes: wiring harness damage, left front transmitter malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Restraint light is on
  • Airbag malfunction
  • Malfunction of belt pretensioners

Causes

  • Wiring harness damage
  • Left front transmitter malfunction
  • Power problems (blown fuse, poor contact)
  • Short circuit in the circuit

How to Fix

  1. Check the condition of the wiring harness for damage
  2. Check the voltage at the transmitter
  3. Check fuses and relays associated with the restraint system
  4. Replace faulty transmitter if necessary

Related codes

B0020B0021B0022

FAQ

What does the C1724 code mean?

C1724 is an OBD-II diagnostic trouble code that indicates: Battery Voltage Of Front Left Transmitter Drops

What causes a C1724 error code?

The most common causes of C1724 include: Wiring harness damage; Left front transmitter malfunction; Power problems (blown fuse, poor contact); Short circuit in the circuit.

How do I fix a C1724 diagnostic trouble code?

To fix C1724: Check the condition of the wiring harness for damage. Check the voltage at the transmitter. Check fuses and relays associated with the restraint system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1724?

Do not drive — repair immediately

How much does it cost to fix C1724?

The estimated repair cost for C1724 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat