OBD Guide
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C1803

Motor Current Level/Position Release

C1803 is an OBD-II diagnostic trouble code meaning: Motor Current Level/Position Release. Common causes: open or short circuit in wiring harness, pretensioner solenoid malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • Belt pretensioners do not work
  • Passive safety system memory error

Causes

  • Open or short circuit in wiring harness
  • Pretensioner solenoid malfunction
  • Damage to the squib
  • Problems with the SRS control unit

How to Fix

  1. Check the wiring harness for open circuit and short circuit
  2. Check solenoid resistance
  3. Diagnose the SRS control unit
  4. Replace faulty components

Related codes

B0001B0020C1801

FAQ

What does the C1803 code mean?

C1803 is an OBD-II diagnostic trouble code that indicates: Motor Current Level/Position Release

What causes a C1803 error code?

The most common causes of C1803 include: Open or short circuit in wiring harness; Pretensioner solenoid malfunction; Damage to the squib; Problems with the SRS control unit.

How do I fix a C1803 diagnostic trouble code?

To fix C1803: Check the wiring harness for open circuit and short circuit. Check solenoid resistance. Diagnose the SRS control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1803?

Do not drive — repair immediately

How much does it cost to fix C1803?

The estimated repair cost for C1803 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat