OBD Guide
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B19F7

Left Rear Window Switch Circuit Low

B19F7 is an OBD-II diagnostic trouble code meaning: Left Rear Window Switch Circuit Low. Common causes: open or shorted wiring harness, window switch malfunction. Estimated repair cost: $22–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Left rear window doesn't work
  • Window switch does not respond to clicks
  • Intermittent window operation

Causes

  • Open or shorted wiring harness
  • Window switch malfunction
  • Problems with power or circuit ground
  • Malfunction of the power window control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the operation of the window switch
  3. Check the voltage in the circuit
  4. Replace switch or wiring harness if necessary

Related codes

B19F6B19F8B19F9

FAQ

What does the B19F7 code mean?

B19F7 is an OBD-II diagnostic trouble code that indicates: Left Rear Window Switch Circuit Low

What causes a B19F7 error code?

The most common causes of B19F7 include: Open or shorted wiring harness; Window switch malfunction; Problems with power or circuit ground; Malfunction of the power window control unit.

How do I fix a B19F7 diagnostic trouble code?

To fix B19F7: Check the integrity of the wiring harness. Check the operation of the window switch. Check the voltage in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B19F7?

Limited driving only, diagnose soon

How much does it cost to fix B19F7?

The estimated repair cost for B19F7 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat