OBD Guide

P2782

Downshift Switch Circuit Intermittent/Erratic

P2782 is an OBD-II diagnostic trouble code meaning: Downshift Switch Circuit Intermittent/Erratic. Common causes: damage to switch circuit wiring, poor contact in connectors. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Incorrect downshifting
  • Check Engine Light Flashing
  • Loss of downshift function
  • Jerks when shifting gears
  • Increased engine speed when braking

Causes

  • Damage to switch circuit wiring
  • Poor contact in connectors
  • Downshift switch malfunction
  • Problems with the transmission control module
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of wiring and connectors
  2. Test the downshift switch
  3. Check circuit resistance
  4. Inspect the transmission control module
  5. Replace faulty components

Related codes

Error P2782 by Vehicle Brand

FAQ

What does the P2782 code mean?

P2782 is an OBD-II diagnostic trouble code that indicates: Downshift Switch Circuit Intermittent/Erratic

What causes a P2782 error code?

The most common causes of P2782 include: Damage to switch circuit wiring; Poor contact in connectors; Downshift switch malfunction; Problems with the transmission control module.

How do I fix a P2782 diagnostic trouble code?

To fix P2782: Check the integrity of wiring and connectors. Test the downshift switch. Check circuit resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2782?

Yes, but get it checked soon

How much does it cost to fix P2782?

The estimated repair cost for P2782 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat