OBD Guide
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B1630

PRNDL Reverse Input Short Circuit To Ground

B1630 is an OBD-II diagnostic trouble code meaning: PRNDL Reverse Input Short Circuit To Ground. Common causes: wiring harness damage, contact corrosion. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inability to engage reverse gear
  • Incorrect display of gear selector position on the instrument panel
  • Check Engine Light Is On

Causes

  • Wiring harness damage
  • Contact corrosion
  • Gear selector malfunction
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Inspect contacts for corrosion
  3. Check the operation of the gear selector
  4. Replace damaged components

Related codes

B1631B1632

FAQ

What does the B1630 code mean?

B1630 is an OBD-II diagnostic trouble code that indicates: PRNDL Reverse Input Short Circuit To Ground

What causes a B1630 error code?

The most common causes of B1630 include: Wiring harness damage; Contact corrosion; Gear selector malfunction; Short circuit in the circuit.

How do I fix a B1630 diagnostic trouble code?

To fix B1630: Check wiring harness for damage. Inspect contacts for corrosion. Check the operation of the gear selector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1630?

Limited driving only, diagnose soon

How much does it cost to fix B1630?

The estimated repair cost for B1630 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat