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DTC codes / P07xx · Transmission / P076A

P076AShift Solenoid H

P076A indicates that the transmission control module has detected an electrical or performance fault in shift solenoid H, which is one of the solenoids the computer uses to control hydraulic pressure for a specific gear change. The computer compares commanded solenoid states against actual transmission behavior and sets this code when the circuit or the solenoid's response falls outside the expected range.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaTransmission

Symptoms you may notice

  • Illuminated check engine light or transmission warning light, often with no other symptoms besides the warning light
  • Harsh or delayed shifts, especially when the affected gear is engaged or disengaged
  • Transmission stuck in a single gear or refusing to downshift during acceleration
  • Slipping sensation or engine flaring between shifts
  • Limp mode engagement with reduced power and limited gear selection
  • Poor fuel economy or unusual engine RPM at highway speeds

Common causes, most likely first

  1. Faulty shift solenoid H internally shorted or open
  2. Damaged or corroded wiring harness or connector at the solenoid
  3. Contaminated transmission fluid causing solenoid valve sticking
  4. Failed transmission control module driver circuit
  5. Low transmission fluid level due to a leak
  6. Internal transmission mechanical wear affecting hydraulic pressure

How to diagnose and fix it

  1. Check transmission fluid level and condition, topping off or replacing fluid if contaminated
  2. Inspect the solenoid H electrical connector and wiring for corrosion, chafing, or loose pins
  3. Measure solenoid resistance with a multimeter and compare to manufacturer specification
  4. Test the solenoid circuit for voltage and ground continuity from the control module
  5. Replace shift solenoid H if resistance or function tests fail
  6. Clear the code and perform a relearn or adaptive reset procedure if required
  7. Road test the vehicle through all gears to confirm the repair and verify no pending codes return

What most technicians overlook with P076A

  • A contaminated fluid condition often mimics a failed solenoid, so a fluid service may resolve the code without parts replacement.
  • The solenoid may test good electrically but still stick mechanically due to varnish or debris in the valve body.
  • Intermittent wiring faults at the transmission connector can set P076A only under certain temperature or vibration conditions.
  • Some vehicles require a transmission control module relearn after solenoid replacement to prevent repeat codes.
  • A low fluid level from a slow leak can trigger this code without any visible puddle under the vehicle.

Can I keep driving with P076A?

You can usually drive the vehicle to a repair shop, but avoid aggressive acceleration or heavy loads because the transmission may not shift properly and could enter limp mode. If the vehicle is stuck in a single gear or slipping severely, stop driving and arrange a tow to prevent further damage.

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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