Engine-Codes - Infiniti - P0780 INFINITI

P0780 INFINITI Code - Shift Control System Fault

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P0780 INFINITI code possible causes

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty shifting solenoid valve
  • Shifting solenoid valve harness is open or shorted
  • Shifting solenoid valve circuit poor electrical connection

|How is the P0780 INFINITI code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P0780 INFINITI code

Labor: 1.0

The cost to diagnose the P0780 INFINITI code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P0780 INFINITI code detected?

The P0780 codes is detected when no rotation change occurs between input (turbine revolution sensor) and output (revolution sensor) and shifting time is long or when shifting ends immediately or when engine revs up unusually during shifting.

|What are P0780 INFINITI code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission shift shock

|What is P0780 INFINITI code meaning?

The Transmission Control Module (TCM) monitors the transmission mechanical shifting through various sensors. This malfunction is detected when the A/T does not shift as instructed by the TCM. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking,improper solenoid valve operation, etc.

|Need more information with the P0780 INFINITI code?

Need more information on how to fix the P0780 INFINITI code?
Get Access to Factory Service Manuals

|Need help with a P0780 INFINITI code?

Get the P0780 Infiniti code diagnosed by a professional: Find a repair shop in your area