OBD Guide
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B1626

Lamp Keypad Output Short Circuit To Ground

B1626 is an OBD-II diagnostic trouble code meaning: Lamp Keypad Output Short Circuit To Ground. Common causes: wiring harness damage, short circuit to ground. Estimated repair cost: $22–89.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Button backlight does not work
  • Constant illumination of the backlight
  • Backlight flashing

Causes

  • Wiring harness damage
  • Short circuit to ground
  • Backlight malfunction
  • Oxidation of contacts
  • Problem in the control unit

How to Fix

  1. Conduct a visual inspection of the wiring harness for damage.
  2. Check contacts for oxidation and corrosion
  3. Test the backlight lamps
  4. Check control unit
  5. Replace damaged components

FAQ

What does the B1626 code mean?

B1626 is an OBD-II diagnostic trouble code that indicates: Lamp Keypad Output Short Circuit To Ground

What causes a B1626 error code?

The most common causes of B1626 include: Wiring harness damage; Short circuit to ground; Backlight malfunction; Oxidation of contacts.

How do I fix a B1626 diagnostic trouble code?

To fix B1626: Conduct a visual inspection of the wiring harness for damage.. Check contacts for oxidation and corrosion. Test the backlight lamps. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1626?

Yes, but get it checked soon

How much does it cost to fix B1626?

The estimated repair cost for B1626 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat