OBD Guide
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C2194

Engine Speed Signal Error

C2194 is an OBD-II diagnostic trouble code meaning: Engine Speed Signal Error. Common causes: malfunction of the crankshaft/camshaft position sensor, open or shorted wiring harness. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable idle
  • Difficulty starting the engine
  • Power Loss
  • Dips during acceleration
  • Check Engine Light Illuminates

Causes

  • Malfunction of the crankshaft/camshaft position sensor
  • Open or shorted wiring harness
  • Poor contact in connectors
  • Mechanical damage to the drive disk
  • ECM software failure

How to Fix

  1. Check the condition of the crankshaft and camshaft sensors
  2. Check the integrity of the wiring harness and connectors
  3. Check the gap and condition of the drive disk
  4. Read parameters of sensor signals by scanner
  5. If necessary, replace sensors or restore circuits

Related codes

P0335P0336P0340P0341

FAQ

What does the C2194 code mean?

C2194 is an OBD-II diagnostic trouble code that indicates: Engine Speed Signal Error

What causes a C2194 error code?

The most common causes of C2194 include: Malfunction of the crankshaft/camshaft position sensor; Open or shorted wiring harness; Poor contact in connectors; Mechanical damage to the drive disk.

How do I fix a C2194 diagnostic trouble code?

To fix C2194: Check the condition of the crankshaft and camshaft sensors. Check the integrity of the wiring harness and connectors. Check the gap and condition of the drive disk. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2194?

Limited driving only, diagnose soon

How much does it cost to fix C2194?

The estimated repair cost for C2194 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat