OBD Guide

P17E7

Ratio Monitoring Shift 2-3

P17E7 is an OBD-II diagnostic trouble code meaning: Ratio Monitoring Shift 2-3. Common causes: friction disc wear, low or contaminated transmission fluid. Estimated repair cost: $22–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Jerks when shifting from 2nd to 3rd gear
  • Delays when shifting gears
  • Switching to emergency mode of the gearbox
  • Increased engine speed when switching
  • Check Engine light comes on

Causes

  • Friction disc wear
  • Low or contaminated transmission fluid
  • Shift solenoids malfunction
  • Problems with speed sensors
  • Malfunction of the transmission control unit

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the operation of switching solenoids
  3. Check transmission speed sensors
  4. Scan the transmission for errors
  5. If necessary, replace friction discs

Related codes

FAQ

What does the P17E7 code mean?

P17E7 is an OBD-II diagnostic trouble code that indicates: Ratio Monitoring Shift 2-3

What causes a P17E7 error code?

The most common causes of P17E7 include: Friction disc wear; Low or contaminated transmission fluid; Shift solenoids malfunction; Problems with speed sensors.

How do I fix a P17E7 diagnostic trouble code?

To fix P17E7: Check the level and condition of the transmission fluid. Diagnose the operation of switching solenoids. Check transmission speed sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P17E7?

Limited driving only, diagnose soon

How much does it cost to fix P17E7?

The estimated repair cost for P17E7 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat