OBD Guide
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B158F

AV Signal Stoppage Low Battery Voltage

B158F is an OBD-II diagnostic trouble code meaning: AV Signal Stoppage Low Battery Voltage. Common causes: weak battery, generator malfunction. Estimated repair cost: $17–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–167 (est.)

Symptoms

  • The passive restraint system (SRS) light is on.
  • Airbags and pretensioners are disabled
  • Other related security errors

Causes

  • Weak battery
  • Generator malfunction
  • Damage to the security system harness
  • Corrosion or poor contact in connectors
  • Security control module malfunction

How to Fix

  1. Check battery and generator voltage
  2. Inspect the security system harness for damage
  3. Check connections and connectors of the security system
  4. Replace damaged components if necessary
  5. Reset error code after repair

Related codes

B1581B1582B1710B1711

FAQ

What does the B158F code mean?

B158F is an OBD-II diagnostic trouble code that indicates: AV Signal Stoppage Low Battery Voltage

What causes a B158F error code?

The most common causes of B158F include: Weak battery; Generator malfunction; Damage to the security system harness; Corrosion or poor contact in connectors.

How do I fix a B158F diagnostic trouble code?

To fix B158F: Check battery and generator voltage. Inspect the security system harness for damage. Check connections and connectors of the security system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B158F?

Do not drive — repair immediately

How much does it cost to fix B158F?

The estimated repair cost for B158F is $17–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat