No recalls found in NHTSA database
CODE MEANING AND SEVERITY
- DTC P0750 = Shift Solenoid A Malfunction (SS1). On a 2018-2024 Toyota Camry with the 8-speed automatic, this code generally indicates a fault in the electrical circuit or the solenoid that controls the transmission’s first shift solenoid (solenoid A). The PCM/TCM has detected an abnormal condition when commanding or monitoring SS1, which can prevent correct gear engagement or shift timing.
- Severity for Camry: Transmission performance can degrade noticeably. Common symptoms include harsh or delayed shifts, upshifts or downshifts that don’t occur as commanded, or the transmission entering a limp/limited mode to protect itself. If left unaddressed, continued driving with a faulty solenoid can lead to further wear and potential transmission damage.
COMMON CAUSES ON TOYOTA CAMRY
- Faulty Shift Solenoid A (coil failure, sticking, open or short circuit).
- Damaged or corroded wiring, connectors, or harness to the solenoid A circuit (pin damage, loose connection, insulation wear).
- Blown fuse or failed relay supplying the solenoid circuit.
- Transmission fluid level too low or fluid aged/contaminated (ATF degraded can affect solenoid operation and valve body function).
- Valve body contamination or debris restricting valve operation.
- Transmission control module (TCM) or PCM software issue or miscommunication with the solenoid circuit.
- Grounding or electrical fault in the solenoid control circuit (faulty ground path can cause intermittent operation).
- Internal transmission valve body wear or mechanical fault secondary to long service life or heavy use.
SYMPTOMS
- Harsh, delayed, or harsh-up/upshifts, especially into first or other gears.
- Transmission may feel stuck in a gear or fail to downshift/upshift as expected.
- Transmission may go into “limp mode” or a reduced-power state, with limited gear choices.
- Check Engine Light on with DTC P0750 (may appear alone or with other trans codes).
- Erratic transmission behavior: occasional slipping, flare between gears, or shudder during shifts.
- Notable ATF condition changes (burnt smell or very dark oil) if fluid has degraded or leakage is present.
- Vehicle may exhibit reduced acceleration or higher engine RPMs at road speeds due to improper gear engagement.
DIAGNOSTIC STEPS
Important: Perform diagnostics safely. If symptoms involve sudden loss of drive, stop in a safe location and consult a professional.
A. Initial verification
- Confirm P0750 is the active or stored code with a modern scan tool. Note any freeze-frame data (engine RPM, vehicle speed, transmission temp, gear state) around the moment the DTC was set.
- Check for additional DTCs that often accompany P0750 (e.g., other shift solenoid codes, transmission control codes like P0700, P2710 family, or temperature-related codes). Addressing related codes can clarify root cause.
B. Visual and fluid inspection
- Transmission fluid level and condition: Ensure ATF is at the correct level with the engine warm and the vehicle on level ground. Look for a burnt odor, dark/burnt color, or metallic particles in the dipstick sample.
- Fluid quality: If fluid is old or degraded, consider a transmission service (drain/refill) with the manufacturer-specified ATF. Do not mix fluids unless the manual permits.
- Inspect electrical connectors at the solenoid A harness:
- Look for loose, corroded, bent, or damaged pins.
- Check for damaged insulation or chafed wiring in the harness.
- Disconnect and reconnect connectors to reseat the pins.
- Inspect the fuse/relay for the transmission solenoid circuit and replace if found defective (per the vehicle’s fuse box diagram).
C. Electrical checks
- Resistance and continuity: With the engine off, measure the resistance of Shift Solenoid A coil (as specified in the Camry service manual). Compare to OEM spec. Also check for short to ground or open circuits.
- Power and ground supply: With the engine running or key-on (as per the manual), verify that the solenoid receives the correct voltage/current when commanded by the TCM. Check the ground circuit for continuity to the battery negative.
- Command test: Use a scan tool to command the solenoid A on and off (if supported) and observe the TCM’s response and transmission data stream. Abnormal voltage or failure to respond suggests wiring, connection, or solenoid fault.
D. Mechanical/transmission inspection (if electrical checks pass or as needed)
- If wiring and solenoid test fail to locate the fault, the valve body (where the solenoids live) may require inspection or cleaning. Debris or varnish can impede valve operation.
- Consider a transmission fluid flush or replacement if the fluid is degraded or contaminated.
- Check for known service bulletins or software updates from Toyota (note: per data provided, there are no recalls; TSBs are not cited here, but in real-world service you should verify if any TCM software or valve-body updates exist for your VIN).
E. If the issue persists
- Solenoid replacement: Replace Shift Solenoid A if coil/internals are faulty or if tests indicate an open/short condition in the solenoid circuit.
- Wiring repair: Repair or replace damaged harness/connector to SS1 circuit.
- If electrical issues are resolved but symptoms persist, internal transmission faults (valve body wear, seals, or piston issues) or TCM reprogramming may be needed. In rare cases, transmission removal may be required for in-depth inspection and repair.
Note: In many modern transmissions, addressing P0750 successfully depends on correcting the electrical circuit first (solenoid and wiring), followed by fluid quality and, if needed, valve-body/work within the transmission. Software reprogramming or updates from Toyota may also be part of resolution if indicated by Toyota service data for your VIN.
RELATED CODES
- P0751: Shift Solenoid A range/short condition (example of a related solenoid code; exact mapping may vary by model year).
- P0752, P0753, P0754 (other shift solenoid codes in the same family for different gears or circuits).
- P0700 (transmission control system not operating correctly) or P2710 (pressure) may appear if there are broader transmission-control issues.
- P0780-P0783 family (shift-related codes) may accompany or follow P0750 if there are multiple valve-body or circuit concerns.
Note: The above are common family codes seen with shift-solenoid related problems and can help guide multi-code diagnosis. Always verify exact code mapping and definitions from the Camry’s service information for the specific model year and transmission type.
REPAIR OPTIONS AND COSTS (2025 PRICES)
Prices vary by region, shop, and whether you’re using OEM parts or aftermarket. The following are ballpark ranges for 2025 and reflect typical Camry 2018-2024 costs.
Shift Solenoid A replacement (solenoid only)
- Parts: $40–$150
- Labor: $150–$350
- Total: $190–$500
Shift Solenoid A replacement with valve-body inspection/cleaning (if needed)
- Parts: $60–$200
- Labor: $300–$700
- Total: $360–$900
Transmission fluid service (drain/refill or flush)
- Parts: $20–$80 (ATF)
- Labor: $100–$250
- Total: $120–$330
Wiring harness/connector repair for SS1 circuit
- Parts: $10–$100 (connector pins or harness portion)
- Labor: $100–$300
- Total: $110–$400
Transmission valve-body repair or rebuild (less common, but possible)
- Parts: $100–$400
- Labor: $400–$900
- Total: $500–$1,300
Transmission replacement (if failure is severe and other fixes fail)
- Parts (used/rebuilt): $2,000–$4,500
- Labor: $1,200–$2,800
- Total: $3,200–$7,300
Software updates/reprogramming (TCM/ECM)
- Parts: $0–$50 (software license not typically billed separately)
- Labor: $80–$200
- Total: $80–$250
Notes on costs:
- These ranges are approximate and can vary by the Camry’s exact year, trim, and the regional labor rate.
- If a shop performs a multi-step repair (e.g., solenoid replacement plus valve-body cleaning and fluid service), the total cost will be at the higher end of the ranges.
- In many cases, a failing solenoid is the root cause and the most cost-effective repair; avoid unnecessary transmission replacements unless diagnostic data strongly indicate mechanical failure.
DIY VS PROFESSIONAL
- DIY viability: Replacing Shift Solenoid A on a Camry can be within reach for a skilled DIYer with a proper service manual, basic hand tools, a torque wrench, and a way to access the solenoid (often via the transmission valve body and/or pan area). You must safely support the vehicle, drain the ATF as required, and follow OEM torque specs and wiring diagrams.
- For most DIY enthusiasts, professional service is recommended due to:
- The need to accurately diagnose electrical circuits, measure solenoid resistance, and verify proper power/ground in the solenoid circuit.
- The risk of incorrect reassembly or contamination when dealing with the valve body and transmission pan.
- Potentially requiring transmission removal for valve-body work or deeper inspections, which is typically beyond basic DIY scope.
- If you are not confident with transmission electronics and mechanical work, seek a qualified transmission technician or Toyota dealer.
PREVENTION
- Perform regular transmission service at the manufacturer-recommended intervals, using the correct Toyota approved ATF for the Camry’s transmission.
- Check ATF level and condition periodically; address low fluid or degraded fluid promptly.
- Avoid towing or driving habits that put excessive load on the transmission; avoid aggressive gear hunting and keep engine RPM in a reasonable range during shifts.
- If you notice shifting anomalies or hesitate, have the vehicle diagnosed early to prevent further wear or damage.
- Keep electrical connections clean and dry; address corrosion around the solenoid harness connectors promptly.
- Ensure software/TCM updates are applied if recommended by Toyota for your VIN and model year.
Important data disclaimer
- The provided diagnostic guide is based on general automotive knowledge and typical Camry 2018-2024 transmission practices. The available NHTSA data for this dataset includes one owner complaint unrelated to P0750 (P0442) and notes that there are no recalls for this model/year in the database provided. Real-world diagnostics should incorporate manufacturer service information for your exact VIN and, where applicable, any Toyota service bulletins or software updates. Always cross-check with the latest Toyota service information and your local dealer for the most accurate repair procedures and part numbers.