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Home / DTC / P0752 — Shift Solenoid A Stuck On

P0752 — Shift Solenoid A Stuck On

Detailed page for trouble code P0752.

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Code

P0752

Generic P — Powertrain

Shift Solenoid A Stuck On

Brand: Generic
Type: P — Powertrain
Views: UK: 12 EN: 25 RU: 32
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Short to ground or short to battery in shift solenoid A wiring
  • Failed or internally shorted shift solenoid A
  • Stuck valve or debris in the valve body holding the solenoid valve engaged
  • Low, dirty, or incorrect transmission fluid
  • Corroded/loose connector or poor pin contact at the solenoid or PCM/TCM
  • Faulty PCM/TCM driver circuit

Symptoms

  • Check Engine / MIL illuminated
  • Harsh, delayed or no upshift/downshift; incorrect gear engagement
  • Transmission stuck in one gear or limp-in (reduced) mode
  • Unexpected or continuous shift solenoid activation when monitored with a scan tool
  • Transmission fluid leak or burnt/contaminated fluid smell (if severe)

What to check

  • Read and record freeze frame and all transmission-related codes with a scan tool
  • Check transmission fluid level and condition; look for contamination or metallic debris
  • Visually inspect wiring harness and connector for damage, corrosion, pinch points, or rodent chewing
  • Backprobe the solenoid connector and measure resistance and voltage with respect to manufacturer specs
  • Use a scan tool to command Shift Solenoid A ON/OFF and observe response and DTC behavior
  • Inspect valve body and solenoid mounting for leaks or foreign debris if accessible

Signal parameters

  • Typical solenoid coil resistance (varies by vehicle): commonly ~5–30 ohms; consult vehicle spec
  • When commanded ON: driver supplies ground or +12V (depending on design) with PWM modulation; current typically hundreds of milliamps
  • When commanded OFF: circuit should be open or at battery voltage (no current flow) — no continuous ground
  • If stuck ON electrically: circuit measures near 0 ohms to ground or shows constant current when OFF
  • Scan tool live data: commanded state vs actual solenoid state should match; a 'stuck on' shows active state even when commanded OFF

Diagnostic algorithm

  1. Safely connect a scan tool and confirm P0752 and any related codes; note freeze-frame data (gear, RPM, vehicle speed, transmission temp).
  2. Check transmission fluid level and condition; correct fluid level and change if severely contaminated before further testing.
  3. Visually inspect the solenoid harness and connector for corrosion, damage, or poor fit. Repair any obvious harness damage.
  4. With ignition ON (engine OFF), backprobe the solenoid connector. Measure coil resistance between solenoid pins; compare to spec. A very low resistance may indicate internal short.
  5. With a multimeter, check for unintended continuity to ground or battery (short to ground or short to B+) in the solenoid circuit. Wiggle harness while monitoring for intermittent faults.
  6. Use the scan tool to command the solenoid OFF and ON while monitoring circuit voltage/current at the connector. If the solenoid remains energized when commanded OFF, the fault is likely wiring/PCM or solenoid stuck mechanically.
  7. If wiring and connector are good and solenoid electrical tests fail, remove and bench-test the solenoid (or swap with an identical known-good solenoid if available) to confirm solenoid condition.
  8. If the replaced/bench-tested solenoid is good but the issue persists, inspect and clean the valve body and solenoid bores for debris or stuck spools; repair or rebuild valve body as needed.
  9. If wiring, solenoid and valve body check good, consider PCM/TCM driver circuit diagnosis. Do not replace PCM unless properly bench-tested or confirmed by manufacturer procedures.
  10. Clear the codes, perform a road test and re-scan to verify the repair. Document any intermittent behavior and recheck after test drive.

Likely causes

  • Damaged or shorted wiring/connector to shift solenoid A
  • Failed solenoid (electrical short or internal mechanical stuck-on)
  • Contaminated transmission fluid causing valve sticking
  • Valve body debris or sticking spool valve
  • PCM/TCM output driver failure (less common)

Fault status

⚠️ Status
MIL ON; Trouble Code P0752 stored. Freeze frame may include gear commanded/actual, vehicle speed, engine RPM and transmission temperature. Transmission may enter limp mode or exhibit harsh/incorrect shifting.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

P0750 P0751 P0753 P0760 P0765 P0871
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Code

P0752

GWM P — Powertrain

- Damage to solenoid switch A

Brand: GWM
Type: P — Powertrain
Views: UK: 3 EN: 5 RU: 6
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Short to ground or short to battery in shift solenoid A wiring
  • Failed or internally shorted shift solenoid A
  • Stuck valve or debris in the valve body holding the solenoid valve engaged
  • Low, dirty, or incorrect transmission fluid
  • Corroded/loose connector or poor pin contact at the solenoid or PCM/TCM
  • Faulty PCM/TCM driver circuit

Symptoms

  • Check Engine / MIL illuminated
  • Harsh, delayed or no upshift/downshift; incorrect gear engagement
  • Transmission stuck in one gear or limp-in (reduced) mode
  • Unexpected or continuous shift solenoid activation when monitored with a scan tool
  • Transmission fluid leak or burnt/contaminated fluid smell (if severe)

What to check

  • Read and record freeze frame and all transmission-related codes with a scan tool
  • Check transmission fluid level and condition; look for contamination or metallic debris
  • Visually inspect wiring harness and connector for damage, corrosion, pinch points, or rodent chewing
  • Backprobe the solenoid connector and measure resistance and voltage with respect to manufacturer specs
  • Use a scan tool to command Shift Solenoid A ON/OFF and observe response and DTC behavior
  • Inspect valve body and solenoid mounting for leaks or foreign debris if accessible

Signal parameters

  • Typical solenoid coil resistance (varies by vehicle): commonly ~5–30 ohms; consult vehicle spec
  • When commanded ON: driver supplies ground or +12V (depending on design) with PWM modulation; current typically hundreds of milliamps
  • When commanded OFF: circuit should be open or at battery voltage (no current flow) — no continuous ground
  • If stuck ON electrically: circuit measures near 0 ohms to ground or shows constant current when OFF
  • Scan tool live data: commanded state vs actual solenoid state should match; a 'stuck on' shows active state even when commanded OFF

Diagnostic algorithm

  1. Safely connect a scan tool and confirm P0752 and any related codes; note freeze-frame data (gear, RPM, vehicle speed, transmission temp).
  2. Check transmission fluid level and condition; correct fluid level and change if severely contaminated before further testing.
  3. Visually inspect the solenoid harness and connector for corrosion, damage, or poor fit. Repair any obvious harness damage.
  4. With ignition ON (engine OFF), backprobe the solenoid connector. Measure coil resistance between solenoid pins; compare to spec. A very low resistance may indicate internal short.
  5. With a multimeter, check for unintended continuity to ground or battery (short to ground or short to B+) in the solenoid circuit. Wiggle harness while monitoring for intermittent faults.
  6. Use the scan tool to command the solenoid OFF and ON while monitoring circuit voltage/current at the connector. If the solenoid remains energized when commanded OFF, the fault is likely wiring/PCM or solenoid stuck mechanically.
  7. If wiring and connector are good and solenoid electrical tests fail, remove and bench-test the solenoid (or swap with an identical known-good solenoid if available) to confirm solenoid condition.
  8. If the replaced/bench-tested solenoid is good but the issue persists, inspect and clean the valve body and solenoid bores for debris or stuck spools; repair or rebuild valve body as needed.
  9. If wiring, solenoid and valve body check good, consider PCM/TCM driver circuit diagnosis. Do not replace PCM unless properly bench-tested or confirmed by manufacturer procedures.
  10. Clear the codes, perform a road test and re-scan to verify the repair. Document any intermittent behavior and recheck after test drive.

Likely causes

  • Damaged or shorted wiring/connector to shift solenoid A
  • Failed solenoid (electrical short or internal mechanical stuck-on)
  • Contaminated transmission fluid causing valve sticking
  • Valve body debris or sticking spool valve
  • PCM/TCM output driver failure (less common)

Fault status

⚠️ Status
MIL ON; Trouble Code P0752 stored. Freeze frame may include gear commanded/actual, vehicle speed, engine RPM and transmission temperature. Transmission may enter limp mode or exhibit harsh/incorrect shifting.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

P0750 P0751 P0753 P0760 P0765 P0871
Your experience will help others
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Keep it short and practical. Up to 500 characters.
Send to email
Code

P0752

HUMMER P — Powertrain

1-2 Shift Solenoid Valve Performance - No Second or Third Gear

Brand: HUMMER
Type: P — Powertrain
Views: UK: 6 EN: 13 RU: 20
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Short to ground or short to battery in shift solenoid A wiring
  • Failed or internally shorted shift solenoid A
  • Stuck valve or debris in the valve body holding the solenoid valve engaged
  • Low, dirty, or incorrect transmission fluid
  • Corroded/loose connector or poor pin contact at the solenoid or PCM/TCM
  • Faulty PCM/TCM driver circuit

Symptoms

  • Check Engine / MIL illuminated
  • Harsh, delayed or no upshift/downshift; incorrect gear engagement
  • Transmission stuck in one gear or limp-in (reduced) mode
  • Unexpected or continuous shift solenoid activation when monitored with a scan tool
  • Transmission fluid leak or burnt/contaminated fluid smell (if severe)

What to check

  • Read and record freeze frame and all transmission-related codes with a scan tool
  • Check transmission fluid level and condition; look for contamination or metallic debris
  • Visually inspect wiring harness and connector for damage, corrosion, pinch points, or rodent chewing
  • Backprobe the solenoid connector and measure resistance and voltage with respect to manufacturer specs
  • Use a scan tool to command Shift Solenoid A ON/OFF and observe response and DTC behavior
  • Inspect valve body and solenoid mounting for leaks or foreign debris if accessible

Signal parameters

  • Typical solenoid coil resistance (varies by vehicle): commonly ~5–30 ohms; consult vehicle spec
  • When commanded ON: driver supplies ground or +12V (depending on design) with PWM modulation; current typically hundreds of milliamps
  • When commanded OFF: circuit should be open or at battery voltage (no current flow) — no continuous ground
  • If stuck ON electrically: circuit measures near 0 ohms to ground or shows constant current when OFF
  • Scan tool live data: commanded state vs actual solenoid state should match; a 'stuck on' shows active state even when commanded OFF

Diagnostic algorithm

  1. Safely connect a scan tool and confirm P0752 and any related codes; note freeze-frame data (gear, RPM, vehicle speed, transmission temp).
  2. Check transmission fluid level and condition; correct fluid level and change if severely contaminated before further testing.
  3. Visually inspect the solenoid harness and connector for corrosion, damage, or poor fit. Repair any obvious harness damage.
  4. With ignition ON (engine OFF), backprobe the solenoid connector. Measure coil resistance between solenoid pins; compare to spec. A very low resistance may indicate internal short.
  5. With a multimeter, check for unintended continuity to ground or battery (short to ground or short to B+) in the solenoid circuit. Wiggle harness while monitoring for intermittent faults.
  6. Use the scan tool to command the solenoid OFF and ON while monitoring circuit voltage/current at the connector. If the solenoid remains energized when commanded OFF, the fault is likely wiring/PCM or solenoid stuck mechanically.
  7. If wiring and connector are good and solenoid electrical tests fail, remove and bench-test the solenoid (or swap with an identical known-good solenoid if available) to confirm solenoid condition.
  8. If the replaced/bench-tested solenoid is good but the issue persists, inspect and clean the valve body and solenoid bores for debris or stuck spools; repair or rebuild valve body as needed.
  9. If wiring, solenoid and valve body check good, consider PCM/TCM driver circuit diagnosis. Do not replace PCM unless properly bench-tested or confirmed by manufacturer procedures.
  10. Clear the codes, perform a road test and re-scan to verify the repair. Document any intermittent behavior and recheck after test drive.

Likely causes

  • Damaged or shorted wiring/connector to shift solenoid A
  • Failed solenoid (electrical short or internal mechanical stuck-on)
  • Contaminated transmission fluid causing valve sticking
  • Valve body debris or sticking spool valve
  • PCM/TCM output driver failure (less common)

Fault status

⚠️ Status
MIL ON; Trouble Code P0752 stored. Freeze frame may include gear commanded/actual, vehicle speed, engine RPM and transmission temperature. Transmission may enter limp mode or exhibit harsh/incorrect shifting.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

P0750 P0751 P0753 P0760 P0765 P0871
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P0752

LAND ROVER P — Powertrain

Shift Solenoid A is stuck in

Brand: LAND ROVER
Type: P — Powertrain
Views: UK: 4 EN: 8 RU: 9
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Short to ground or short to battery in shift solenoid A wiring
  • Failed or internally shorted shift solenoid A
  • Stuck valve or debris in the valve body holding the solenoid valve engaged
  • Low, dirty, or incorrect transmission fluid
  • Corroded/loose connector or poor pin contact at the solenoid or PCM/TCM
  • Faulty PCM/TCM driver circuit

Symptoms

  • Check Engine / MIL illuminated
  • Harsh, delayed or no upshift/downshift; incorrect gear engagement
  • Transmission stuck in one gear or limp-in (reduced) mode
  • Unexpected or continuous shift solenoid activation when monitored with a scan tool
  • Transmission fluid leak or burnt/contaminated fluid smell (if severe)

What to check

  • Read and record freeze frame and all transmission-related codes with a scan tool
  • Check transmission fluid level and condition; look for contamination or metallic debris
  • Visually inspect wiring harness and connector for damage, corrosion, pinch points, or rodent chewing
  • Backprobe the solenoid connector and measure resistance and voltage with respect to manufacturer specs
  • Use a scan tool to command Shift Solenoid A ON/OFF and observe response and DTC behavior
  • Inspect valve body and solenoid mounting for leaks or foreign debris if accessible

Signal parameters

  • Typical solenoid coil resistance (varies by vehicle): commonly ~5–30 ohms; consult vehicle spec
  • When commanded ON: driver supplies ground or +12V (depending on design) with PWM modulation; current typically hundreds of milliamps
  • When commanded OFF: circuit should be open or at battery voltage (no current flow) — no continuous ground
  • If stuck ON electrically: circuit measures near 0 ohms to ground or shows constant current when OFF
  • Scan tool live data: commanded state vs actual solenoid state should match; a 'stuck on' shows active state even when commanded OFF

Diagnostic algorithm

  1. Safely connect a scan tool and confirm P0752 and any related codes; note freeze-frame data (gear, RPM, vehicle speed, transmission temp).
  2. Check transmission fluid level and condition; correct fluid level and change if severely contaminated before further testing.
  3. Visually inspect the solenoid harness and connector for corrosion, damage, or poor fit. Repair any obvious harness damage.
  4. With ignition ON (engine OFF), backprobe the solenoid connector. Measure coil resistance between solenoid pins; compare to spec. A very low resistance may indicate internal short.
  5. With a multimeter, check for unintended continuity to ground or battery (short to ground or short to B+) in the solenoid circuit. Wiggle harness while monitoring for intermittent faults.
  6. Use the scan tool to command the solenoid OFF and ON while monitoring circuit voltage/current at the connector. If the solenoid remains energized when commanded OFF, the fault is likely wiring/PCM or solenoid stuck mechanically.
  7. If wiring and connector are good and solenoid electrical tests fail, remove and bench-test the solenoid (or swap with an identical known-good solenoid if available) to confirm solenoid condition.
  8. If the replaced/bench-tested solenoid is good but the issue persists, inspect and clean the valve body and solenoid bores for debris or stuck spools; repair or rebuild valve body as needed.
  9. If wiring, solenoid and valve body check good, consider PCM/TCM driver circuit diagnosis. Do not replace PCM unless properly bench-tested or confirmed by manufacturer procedures.
  10. Clear the codes, perform a road test and re-scan to verify the repair. Document any intermittent behavior and recheck after test drive.

Likely causes

  • Damaged or shorted wiring/connector to shift solenoid A
  • Failed solenoid (electrical short or internal mechanical stuck-on)
  • Contaminated transmission fluid causing valve sticking
  • Valve body debris or sticking spool valve
  • PCM/TCM output driver failure (less common)

Fault status

⚠️ Status
MIL ON; Trouble Code P0752 stored. Freeze frame may include gear commanded/actual, vehicle speed, engine RPM and transmission temperature. Transmission may enter limp mode or exhibit harsh/incorrect shifting.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

P0750 P0751 P0753 P0760 P0765 P0871
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3

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Defender 300Tdi Years: 1996 Manual in English 7.5 MB
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Official workshop manual for the Land Rover Defender 300Tdi (from 1996 model year). Contains specifications, adjustment, fault diagnosis and step-by-step repair and overhaul procedures for engine, transmission, axles, suspension, brakes, electrical and body. Intended for dealer workshops and trained technicians.

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Code

P0752

MERCEDES-BENZ P — Powertrain

Shift Solenoid A Stuck On

Brand: MERCEDES-BENZ
Type: P — Powertrain
Views: UK: 12 EN: 15 RU: 23
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Short to ground or short to battery in shift solenoid A wiring
  • Failed or internally shorted shift solenoid A
  • Stuck valve or debris in the valve body holding the solenoid valve engaged
  • Low, dirty, or incorrect transmission fluid
  • Corroded/loose connector or poor pin contact at the solenoid or PCM/TCM
  • Faulty PCM/TCM driver circuit

Symptoms

  • Check Engine / MIL illuminated
  • Harsh, delayed or no upshift/downshift; incorrect gear engagement
  • Transmission stuck in one gear or limp-in (reduced) mode
  • Unexpected or continuous shift solenoid activation when monitored with a scan tool
  • Transmission fluid leak or burnt/contaminated fluid smell (if severe)

What to check

  • Read and record freeze frame and all transmission-related codes with a scan tool
  • Check transmission fluid level and condition; look for contamination or metallic debris
  • Visually inspect wiring harness and connector for damage, corrosion, pinch points, or rodent chewing
  • Backprobe the solenoid connector and measure resistance and voltage with respect to manufacturer specs
  • Use a scan tool to command Shift Solenoid A ON/OFF and observe response and DTC behavior
  • Inspect valve body and solenoid mounting for leaks or foreign debris if accessible

Signal parameters

  • Typical solenoid coil resistance (varies by vehicle): commonly ~5–30 ohms; consult vehicle spec
  • When commanded ON: driver supplies ground or +12V (depending on design) with PWM modulation; current typically hundreds of milliamps
  • When commanded OFF: circuit should be open or at battery voltage (no current flow) — no continuous ground
  • If stuck ON electrically: circuit measures near 0 ohms to ground or shows constant current when OFF
  • Scan tool live data: commanded state vs actual solenoid state should match; a 'stuck on' shows active state even when commanded OFF

Diagnostic algorithm

  1. Safely connect a scan tool and confirm P0752 and any related codes; note freeze-frame data (gear, RPM, vehicle speed, transmission temp).
  2. Check transmission fluid level and condition; correct fluid level and change if severely contaminated before further testing.
  3. Visually inspect the solenoid harness and connector for corrosion, damage, or poor fit. Repair any obvious harness damage.
  4. With ignition ON (engine OFF), backprobe the solenoid connector. Measure coil resistance between solenoid pins; compare to spec. A very low resistance may indicate internal short.
  5. With a multimeter, check for unintended continuity to ground or battery (short to ground or short to B+) in the solenoid circuit. Wiggle harness while monitoring for intermittent faults.
  6. Use the scan tool to command the solenoid OFF and ON while monitoring circuit voltage/current at the connector. If the solenoid remains energized when commanded OFF, the fault is likely wiring/PCM or solenoid stuck mechanically.
  7. If wiring and connector are good and solenoid electrical tests fail, remove and bench-test the solenoid (or swap with an identical known-good solenoid if available) to confirm solenoid condition.
  8. If the replaced/bench-tested solenoid is good but the issue persists, inspect and clean the valve body and solenoid bores for debris or stuck spools; repair or rebuild valve body as needed.
  9. If wiring, solenoid and valve body check good, consider PCM/TCM driver circuit diagnosis. Do not replace PCM unless properly bench-tested or confirmed by manufacturer procedures.
  10. Clear the codes, perform a road test and re-scan to verify the repair. Document any intermittent behavior and recheck after test drive.

Likely causes

  • Damaged or shorted wiring/connector to shift solenoid A
  • Failed solenoid (electrical short or internal mechanical stuck-on)
  • Contaminated transmission fluid causing valve sticking
  • Valve body debris or sticking spool valve
  • PCM/TCM output driver failure (less common)

Fault status

⚠️ Status
MIL ON; Trouble Code P0752 stored. Freeze frame may include gear commanded/actual, vehicle speed, engine RPM and transmission temperature. Transmission may enter limp mode or exhibit harsh/incorrect shifting.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

P0750 P0751 P0753 P0760 P0765 P0871
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