OBD Guide
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C2111

Transmitter ID 1 Operation Stop

C2111 is an OBD-II diagnostic trouble code meaning: Transmitter ID 1 Operation Stop. Common causes: transmitter battery is low, transmitter malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • System fault indicator is on
  • No data from sensor ID 1
  • Incorrect operation of the system associated with the transmitter

Causes

  • Transmitter battery is low
  • Transmitter malfunction
  • Damage to the transmitter antenna
  • Problems with the signal receiver
  • Interference in the car's electrical system

How to Fix

  1. Check ID 1 transmitter battery
  2. Test the transmitter for functionality
  3. Check the integrity of the antenna and wiring harness
  4. Diagnose the signal receiver
  5. If necessary, replace the transmitter or its components

Related codes

C2112C2110C2113

FAQ

What does the C2111 code mean?

C2111 is an OBD-II diagnostic trouble code that indicates: Transmitter ID 1 Operation Stop

What causes a C2111 error code?

The most common causes of C2111 include: Transmitter battery is low; Transmitter malfunction; Damage to the transmitter antenna; Problems with the signal receiver.

How do I fix a C2111 diagnostic trouble code?

To fix C2111: Check ID 1 transmitter battery. Test the transmitter for functionality. Check the integrity of the antenna and wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2111?

Limited driving only, diagnose soon

How much does it cost to fix C2111?

The estimated repair cost for C2111 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat