P2835 — Shift Fork "A" Position Circuit Intermittent

P2835 — Shift Fork "A" Position Circuit Intermittent. A fault in the sensor and actuator circuits. The car is usually drivable while you plan the repair. Typical causes: blown fuse feeding the circuit, poor ground connection, corroded, loose or damaged connector.

powertrain (engine/transmission)

Is it safe to drive?

Short-term driving is OK In most cases the car remains drivable, possibly with reduced performance or a disabled auxiliary system. If symptoms include stalling, no-start or brake/steering warnings, treat it as urgent.

How to diagnose with an OBD scanner

  1. Read the code and freeze frame Connect an OBD2 scanner, confirm P2835 is stored, and save the freeze frame data — it shows engine conditions when the fault was detected.
  2. Check for companion codes and TSBs Related codes often reveal the real root cause. Also check manufacturer technical service bulletins (TSB) for your make and model — many P0xxx issues have factory fixes or software updates. Search by VIN on the manufacturer site or nhtsa.gov.
  3. Inspect wiring and connectors Visually inspect the wiring harness and connectors related to the shift fork "A" position for damage, corrosion, chafing or poor contact.
  4. Subsystem check Reproduce the fault: wiggle the harness and tap the shift fork "A" position while watching the live signal; heat and vibration usually make intermittent faults appear.
  5. Subsystem check Measure reference voltage, ground and signal continuity at the component connector.
  6. Subsystem check Wiggle-test the harness while watching the signal in live data — dropouts reveal broken wires.
  7. Verify the repair Clear the code, complete a full drive cycle including the conditions from the freeze frame, and confirm P2835 does not return.

Approximate repair cost

Repair cost depends on which component actually failed. Typical scenarios for P2835 (parts and labor, USD, independent shop rates): Replace the faulty sensor or actuator: $150–$500; Repair wiring or connectors: $80–$250; Control module repair: $300–$1,000. Overall, fixing P2835 usually costs between $80 and $1,000. An accurate diagnosis before buying parts saves money — the most expensive scenario is rarely the first one to check.

Common questions

What is the most common cause of P2835?

The most common causes are: blown fuse feeding the circuit, poor ground connection, corroded, loose or damaged connector.

What does OBD2 code P2835 mean?

P2835 — Shift Fork "A" Position Circuit Intermittent. A fault in the sensor and actuator circuits. The car is usually drivable while you plan the repair. Typical causes: blown fuse feeding the circuit, poor ground connection, corroded, loose or damaged connector.

How much does it cost to fix P2835?

Replace the faulty sensor or actuator — $150–$500; Repair wiring or connectors — $80–$250; Control module repair — $300–$1,000. Exact cost depends on the root cause, your vehicle and local labor rates — a proper diagnosis is the cheapest first step.

What are the symptoms of P2835?

Drivers most often notice: possible limp mode depending on the affected component, Check Engine Light on, the affected system operates intermittently or not at all, increased fuel consumption in some cases.

Is it safe to drive with P2835?

In most cases the car remains drivable, possibly with reduced performance or a disabled auxiliary system. If symptoms include stalling, no-start or brake/steering warnings, treat it as urgent.

What does P2835 mean?

The engine control module sets P2835 when it detects a fault in the sensor and actuator circuits. In practical terms: shift fork "A" position circuit intermittent. The code belongs to the powertrain (engine/transmission) group of OBD2 codes.

“Intermittent” means the fault on the shift fork "A" position circuit comes and goes — the module sees correct values part of the time. These faults are almost always mechanical: a loose pin, a half-broken wire or a connector that loses contact with vibration or temperature changes.

This code does not appear from a single bad reading: the module must see the fault condition repeat under defined operating conditions before it turns on the warning light. The freeze frame captured with P2835 — engine load, rpm, temperature, speed — tells you exactly when the problem occurs, so reproduce those conditions when testing.

Common symptoms of P2835

  • possible limp mode depending on the affected component
  • Check Engine Light on
  • the affected system operates intermittently or not at all
  • increased fuel consumption in some cases

What causes P2835?

  • wire broken inside intact insulation
  • loose or backed-out connector pin
  • contact affected by vibration or heat
  • control module driver fault
  • blown fuse feeding the circuit
  • open or shorted wiring in the circuit
  • poor ground connection
  • faulty sensor or actuator of the affected circuit

How to diagnose P2835

  1. Connect an OBD2 scanner, confirm P2835 is stored, and save the freeze frame data — it shows engine conditions when the fault was detected.
  2. Related codes often reveal the real root cause. Also check manufacturer technical service bulletins (TSB) for your make and model — many P0xxx issues have factory fixes or software updates. Search by VIN on the manufacturer site or nhtsa.gov.
  3. Visually inspect the wiring harness and connectors related to the shift fork "A" position for damage, corrosion, chafing or poor contact.
  4. Reproduce the fault: wiggle the harness and tap the shift fork "A" position while watching the live signal; heat and vibration usually make intermittent faults appear.
  5. Measure reference voltage, ground and signal continuity at the component connector.
  6. Wiggle-test the harness while watching the signal in live data — dropouts reveal broken wires.
  7. Clear the code, complete a full drive cycle including the conditions from the freeze frame, and confirm P2835 does not return.

How to fix P2835

Start with the cheapest and most common causes before replacing expensive parts:

  • Replace the faulty sensor or actuator — $150–$500
  • Repair wiring or connectors — $80–$250
  • Control module repair — $300–$1,000

How much does it cost to fix P2835?

Repair cost depends on which component actually failed. Typical scenarios for P2835 (parts and labor, USD, independent shop rates):

  • Replace the faulty sensor or actuator: $150–$500
  • Repair wiring or connectors: $80–$250
  • Control module repair: $300–$1,000

Overall, fixing P2835 usually costs between $80 and $1,000. An accurate diagnosis before buying parts saves money — the most expensive scenario is rarely the first one to check.

Can you drive with P2835?

In most cases the car remains drivable, possibly with reduced performance or a disabled auxiliary system. If symptoms include stalling, no-start or brake/steering warnings, treat it as urgent.

Related OBD2 codes