C2423
Transmitter 3 Battery Voltage Decrease
C2423 is an OBD-II diagnostic trouble code meaning: Transmitter 3 Battery Voltage Decrease. Common causes: damage to the wiring harness or transmitter connector 3, short circuit or open circuit in transmitter 3 circuit. Estimated repair cost: $56–167.
Symptoms
- The passive safety system fault indicator is on
- The safety system may not work in an accident
- The error is stored in the memory of the control unit
Causes
- Damage to the wiring harness or transmitter connector 3
- Short circuit or open circuit in transmitter 3 circuit
- Malfunction of the transmitter itself 3
- Problems with power or grounding of the circuit
- Security control module malfunction
How to Fix
- Check the voltage in the transmitter circuit 3
- Inspect the wiring harness and connectors for damage
- Check resistance and continuity
- If necessary, replace transmitter 3 or wiring harness
- Reset the error and check if it returns
Related codes
FAQ
What does the C2423 code mean?
C2423 is an OBD-II diagnostic trouble code that indicates: Transmitter 3 Battery Voltage Decrease
What causes a C2423 error code?
The most common causes of C2423 include: Damage to the wiring harness or transmitter connector 3; Short circuit or open circuit in transmitter 3 circuit; Malfunction of the transmitter itself 3; Problems with power or grounding of the circuit.
How do I fix a C2423 diagnostic trouble code?
To fix C2423: Check the voltage in the transmitter circuit 3. Inspect the wiring harness and connectors for damage. Check resistance and continuity. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C2423?
Do not drive — repair immediately
How much does it cost to fix C2423?
The estimated repair cost for C2423 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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