P0762 Code: Shift Solenoid C Stuck On

P0762 shift solenoid C stuck on diagnostic illustration
SHIFT SOLENOID C: STUCK ON

P0762: Compare Command and Response

Find the actual solenoid C assignment and distinguish a retained hydraulic response from an electrical fault before buying parts.

Updated September 8, 2026About 12 min readBy iCARZONE

DIAGNOSTIC FOCUS

FUNCTIONALLY STUCK ON
FAULT TYPE
Shift-solenoid C functional response
FIRST CHECKS
Fluid condition, command, electrical actuation and resulting gear response

Stuck on is not automatically a short to power or proof that solenoid C itself must be replaced.

QUICK ANSWER

P0762 means Shift Solenoid C Stuck On. The controller detects a transmission response consistent with the C-controlled function remaining on when the expected response requires otherwise. Depending on the transmission, this may be inferred from speed, ratio or other feedback rather than a sensor directly observing the solenoid valve.

Save the event, identify the exact transmission and map solenoid C to its hydraulic function. Check the prescribed fluid conditions and compare supported command information with electrical and physical response. A sticking valve, retained hydraulic application or misleading feedback can require a different repair from a shorted circuit or defective solenoid.

What Does the P0762 Code Mean?

Shift-solenoid letters identify components within a specific transmission design; C does not universally mean third gear or one named clutch. Obtain the correct hydraulic and electrical information before deciding which output or passage should change state.

A command describes what the controller requests. Electrical actuation describes what the coil or driver actually does. Hydraulic and gear response describe the result. Those three observations can disagree, so a displayed on/off command is not proof that a valve moved or pressure released.

Stuck on is a functional category. It differs from a reported open circuit, short to ground, short to power or general electrical fault. An electrical problem may contribute when testing supports it, but the generic code is not itself a measured wiring diagnosis.

Correct solenoid assignment

Identify the actual C-controlled circuit and element.

Command versus actuation

Compare requested state with permitted electrical checks.

Resulting transmission response

Use valid speed, ratio and hydraulic evidence.

A click or correct coil resistance does not prove hydraulic operation. Conversely, an unexpected gear response does not identify the failed part by itself. Use the specified functional test and verify that the feedback used to judge the result is credible.
P0760: Shift Solenoid C FaultP0761: Solenoid C Performance/Stuck OffP0762: Shift Solenoid C Stuck OnP0763: Shift Solenoid C Electrical

P0762 Symptoms, Severity, and Driving Safety

Check-engine or transmission warning
Preserve exact wording, status and event data.
Harsh or unexpected shifting
Avoid continued testing if gear response is unsafe.
Restricted gear operation
Do not assume the same fallback gear on every transmission.
Binding or abnormal deceleration
Stop and obtain a safe professional assessment.
Slipping or loss of drive
Treat the actual operating problem as urgent.
Overheating or fluid leakage
Address safe handling before further functional tests.

Prompt diagnosis is needed; binding, overheating or unpredictable gear response requires stopping

Stop for binding, severe shifts, loss of drive, overheating or unpredictable vehicle movement. Use the appropriate recovery method for the drivetrain. Never run an actuator test without meeting the manufacturer safety conditions, and do not work beneath a vehicle supported only by a jack.

P0762 Causes and the Evidence That Separates Them

These six branches are an evidence checklist, not a list of failure probabilities. Confirm the installed transmission and its C-solenoid assignment before interpreting fluid findings, electrical measurements or a valve-body recommendation.

1

Fluid level, specification or supported contamination issue

The working fluid or supply conditions may prevent the expected valve response.

How to prove it: Use the exact level and condition procedure and verify the approved specification. Do not assume a generic flush or additive is a diagnostic test, and do not judge the entire hydraulic system from fluid color alone.

Check approved fluid conditions
2

Solenoid C mechanically sticking

The electrical command can change while the internal valve fails to respond correctly.

How to prove it: Follow the approved functional test with suitable equipment and safe access. A coil-resistance result or audible click does not establish correct fluid flow, release or operation under the relevant conditions.

Verify the solenoid mechanism
3

Valve-body valve or passage retaining the applied state

A downstream hydraulic fault can imitate the expected effect of a stuck-on solenoid.

How to prove it: Compare commanded operation with the prescribed pressure or circuit response. Identify the actual retaining path before replacing a solenoid assembly or assuming the entire valve body must be replaced.

Investigate hydraulic retention
4

Unintended electrical energization confirmed by testing

A harness or driver fault may keep a circuit active contrary to the intended command.

How to prove it: Compare the supported command and permitted electrical measurements. Determine the driver architecture before interpreting voltage; do not call P0762 a short to power without proving that condition.

Prove unintended energization
5

Internal hydraulic or friction-element fault

A controlled element may fail to release or respond as expected even when upstream operation is correct.

How to prove it: Use the transmission-specific application chart and verified speed or pressure evidence. Major internal work requires findings that separate element behavior from incorrect data or an upstream control fault.

Assess the controlled element
6

Incorrect feedback, setup or applicable calibration issue

The controller may judge the response using unreliable information or incompatible setup.

How to prove it: Investigate companion speed, pressure, power or communication faults and recent work. Review current OEM instructions only after the necessary hardware and data checks; clearing adaptations is not a universal repair.

Validate response information

A functional code can coexist with an electrical code. Treat that combination as additional evidence rather than permission to skip the hydraulic checks. Likewise, normal electrical measurements do not prove that a fluid-control valve or friction element releases correctly.

Using MA200 Plus During P0762 Diagnosis

The iCARZONE MA200 Plus can retrieve supported transmission codes and available operating data on a covered vehicle. Save the complete event and companion records before clearing the fault or disturbing the transmission connectors.

Verify the exact ECU and function coverage. A general transmission scan does not guarantee solenoid C commands, current feedback, every shaft-speed value or a named actuator test. Confirm the vehicle and required function before relying on a menu or purchasing the tool.

Supported command and speed information can help organize the comparison. The scanner does not independently measure actual hydraulic pressure, coil current or internal valve movement. Appropriate electrical and hydraulic equipment and service information are still required to prove those conditions.

RECOMMENDED DIAGNOSTIC TOOL

iCARZONE MA200 Plus Multi-System OBD2 Diagnostic Scanner

iCARZONE MA200 Plus diagnostic scanner for preserving P0762 fault evidence
Supported transmission scan · event data · available commands and speeds

Save the functional fault and compare supported control data with electrical and hydraulic evidence before selecting parts.

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Check MA200 Plus Coverage

Use an available active test only when explicitly supported for the transmission and all OEM safety prerequisites are satisfied. Do not force gear changes or energize an output to reproduce unsafe binding. Perform any required post-repair setup only through the correct supported procedure.

How to Diagnose P0762 in 6 Steps

Follow these six stages with the installed transmission service procedure. Solenoid resistance, driver voltage, pressure limits, application charts and functional-test conditions vary. Do not apply a generic gear or coil specification to solenoid C.

P0762 Quick Diagnostic Path

  • 1

    Preserve the complete functional-fault event

    • Save P0762, OEM subtype, freeze frame, reporting module and companion codes. Record which shift or operating condition produced the complaint and any recent fluid or transmission work.
    • Keep the original data before resets or disassembly. A functional record and an electrical companion code provide different evidence; retain both rather than clearing one to simplify the report.
  • 2

    Identify the transmission and C-controlled function

    • Use the exact transmission identification, hydraulic chart and wiring diagram to locate solenoid C and its controlled element. Determine the normal command and response for the monitor.
    • Do not assume that C means third gear or that an on command always means one universal pressure state. Confirm driver type, connector views, test conditions and the meaning of displayed parameters.
  • 3

    Verify fluid conditions and feedback reliability

    • Check fluid level, specification and condition through the prescribed safe procedure. Review supported temperature, shaft-speed and pressure-feedback data with their companion fault records.
    • An incorrect speed input can distort a ratio-based judgment. Diagnose questionable feedback instead of replacing a solenoid from an unreliable calculated result; actual pressure still requires the appropriate physical test where specified.
  • 4

    Compare command with actual electrical actuation

    • Observe supported command information and perform the approved circuit tests at suitable points. Check connectors, routing and recent-work areas for verified electrical faults.
    • Account for the actual driver architecture and test method. A displayed command, isolated resistance value or audible click cannot by itself prove that the required hydraulic action occurred.
  • 5

    Separate solenoid response from downstream retention

    • Use the OEM functional and hydraulic tests to determine whether the valve changes state and whether the controlled circuit releases as required. Compare the resulting speed, ratio or pressure evidence.
    • Stop any test that produces unsafe binding, movement or overheating. Do not bridge terminals, apply unapproved direct power or improvise a pressure test to force the transmission into a state.
  • 6

    Repair the demonstrated cause and verify operation

    • Correct the supported fluid, electrical, solenoid, valve-body or internal fault. Restore correct assembly, connections and fluid conditions and complete any required setup.
    • Verify safe engagement and shifting under permitted monitor conditions, then recheck current and pending faults. An erased code or adaptation reset alone does not demonstrate correct release or a successful repair.
Transmission functional tests can move the vehicle or apply internal elements unexpectedly. Follow the OEM restraint, lifting, temperature and operating requirements. Avoid hot fluid, rotating shafts, improvised direct-power tests and continued operation with binding, overheating or loss of drive.

How to Fix P0762 and Verify the Repair

01

Correct demonstrated fluid conditions

Use the approved specification and service method supported by the findings.

02

Repair a proven electrical control fault

Restore wiring or connections only where testing identifies the defect.

03

Repair the verified hydraulic mechanism

Separate solenoid action from valve-body or internal retention before choosing parts.

04

Complete justified setup and verification

Apply current required procedures and confirm safe functional response.

01

Functional diagnosis

VIN-specific quote
Main cost driver

Ask whether the quote includes command, electrical and response comparison.

02

Fluid-related work

VIN-specific quote
Main cost driver

Confirm the specific finding and approved service method.

03

Solenoid or internal repair

VIN-specific quote
Main cost driver

Request evidence identifying the failed mechanism before major work.

04

Setup and final tests

VIN-specific quote
Main cost driver

Include required configuration and proof of safe engagement and shifting.

The cost depends on the proven branch and access required. A connector repair, a fluid-service correction and internal hydraulic work are different jobs. Request an itemized diagnosis-based quote rather than accepting a universal P0762 replacement price.

If the fault returns, compare the original operating event and what the repair actually changed. Recheck feedback credibility, hydraulic release and electrical operation before repeating the same replacement or resetting learned values again.

P0762 OEM Differences and DIY Limits

Ford 2024–2025 OBD summaries classify the C-solenoid failed-on result separately from open, intermittent and short-circuit categories. That distinction supports comparing functional response with electrical evidence rather than reading P0762 as an automatic powered short.

Functional versus electrical

A failed-on result is a distinct diagnostic category.

Transmission-specific mapping

Solenoid C has no universal gear assignment.

Evidence before replacement

A monitor table is not a component failure verdict.

The tables cover different transmission sections and OEM subtypes. Their assignments and test conditions are not interchangeable. Use the current procedure for the installed unit; the table alone does not select a gear, replacement solenoid or valve-body repair.

Reasonable DIY Checks
  • Save codes and exact shift symptoms.
  • Keep fluid-service and repair records.
  • Identify the installed transmission.
  • Ask which test proves the proposed failed part.
Professional-Level Work
  • Do not force gear changes during unsafe operation.
  • Do not apply direct battery power to a solenoid.
  • Do not substitute additives for functional diagnosis.
  • Do not assume a resistance check proves hydraulic release.

Related Shift, Pressure and Transmission-Response Guides

Use companion guides to separate solenoid commands, pressure feedback and gear-response faults. Match each component letter and failure category to the actual transmission; a related code does not supply the test limits for solenoid C.

For other stored faults, use the iCARZONE OBD-II fault-code center.

Frequently Asked Questions About P0762

What does P0762 mean?
It means Shift Solenoid C Stuck On. Identify the exact functional monitor and transmission response before deciding which part or circuit needs repair.
Does stuck on mean the wire is shorted to power?
Not automatically. It is a functional category. Prove any electrical short through the actual circuit tests and distinguish it from a valve or hydraulic response problem.
Is solenoid C always responsible for third gear?
No. Component letters do not provide a universal gear assignment. Use the installed transmission hydraulic and application charts.
Can normal coil resistance rule out the solenoid?
No. Resistance does not establish mechanical movement, fluid flow or response under the relevant conditions. Use the approved functional test as well.
Will replacing the solenoid always fix it?
No. Confirm the evidence for that component. Fluid conditions, valve-body retention, internal response or unreliable feedback can require different work.
Can MA200 Plus run the necessary solenoid test?
Confirm the exact transmission and software coverage first. General diagnostic access does not guarantee a C-solenoid active test or hydraulic measurement.
Should I reset adaptations before diagnosis?
Preserve the event and follow the current procedure. Resetting learned values is not a substitute for proving and repairing a functional or electrical fault.
Can I keep driving to see whether it frees up?
Do not continue with binding, severe shifts, overheating, loss of drive or unpredictable movement. Use an appropriate recovery method and avoid unsafe road tests.

Sources and Technical Review Notes

Bottom line: Map solenoid C and compare the requested command, actual actuation and transmission response. Repair the branch supported by reliable evidence, then verify safe operation without treating a stuck-on record as proof of a powered short, one particular gear or a failed solenoid coil.
iCARZONE
iCARZONE

Technical sources checked September 8, 2026. This is a source-based diagnostic guide, not a report of a hands-on vehicle repair. Confirm transmission identity, solenoid assignment, fluid specification, driver architecture, application charts, feedback validity and safe functional-test limits for the vehicle.

Educational diagnostic guidance, not a hands-on transmission repair report. Follow current OEM procedures and qualified testing. Avoid unsafe vehicle movement, hot fluid, improvised solenoid energization and continued driving with binding or loss of drive.

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