OBD Guide
ENFRDEESPT

C2422

Transmitter 2 Battery Voltage Decrease

C2422 is an OBD-II diagnostic trouble code meaning: Transmitter 2 Battery Voltage Decrease. Common causes: poor contact in wiring harness, transmitter 2 fault. Estimated repair cost: $56–167.

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

Symptoms

  • The SRS indicator on the dashboard is on
  • Restraint system malfunction
  • Reduced voltage in the circuit

Causes

  • Poor contact in wiring harness
  • Transmitter 2 fault
  • Battery or charging problems
  • Short circuit in the circuit

How to Fix

  1. Check battery voltage
  2. Inspect the wiring harness for damage
  3. Check transmitter contacts 2
  4. Replace transmitter 2 if necessary
  5. Reset the error and check the system

Related codes

C2421C2423B0001

FAQ

What does the C2422 code mean?

C2422 is an OBD-II diagnostic trouble code that indicates: Transmitter 2 Battery Voltage Decrease

What causes a C2422 error code?

The most common causes of C2422 include: Poor contact in wiring harness; Transmitter 2 fault; Battery or charging problems; Short circuit in the circuit.

How do I fix a C2422 diagnostic trouble code?

To fix C2422: Check battery voltage. Inspect the wiring harness for damage. Check transmitter contacts 2. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2422?

Do not drive — repair immediately

How much does it cost to fix C2422?

The estimated repair cost for C2422 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat