P0701

Transmission Control System Range/Performance

Q: Is it safe to drive with P0701?

Short trips usually, but expect rough or limited shifting. Prolonged driving in limp mode adds wear, so get it diagnosed soon.

Q: Can I just clear P0701?

It returns once the control system sees the fault again, and clearing it erases the freeze-frame data that helps diagnosis.

Transmission control Generic OBD-II Medium

What it means

P0701 means the transmission control system has failed a range or performance (rationality) check — the module's readings don't match what it expects. It usually points to a shift solenoid, sensor, wiring, or fluid problem, and often appears alongside a more specific transmission code that pinpoints the actual fault.

Medium

Can I keep driving? Often yes, but cautiously — the transmission may shift harshly, erratically, or drop into a fail-safe (limp) mode. Have it checked soon to avoid further wear.

Real-world scan data

Seen in

scans in the past year

Found in

<0.1%

of scans

<0.1%

of scans that found faults

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Harsh, delayed, or erratic shifting
Transmission stuck in one gear (limp mode)
Check-engine light on
Reduced fuel economy

Common causes

Most likely first

Faulty shift solenoid or transmission control componentLikely
Wiring or connector fault in the transmission control circuitCommon
Low or degraded transmission fluidCommon
Faulty transmission range/position sensorLess often
Faulty transmission control moduleLess often

How to diagnose & fix

Work through it in order

Scan and read freeze-frame plus any companion transmission codes — P0701 often accompanies a more specific fault.
Check the transmission fluid level and condition.
Inspect the transmission harness connectors and wiring for damage or corrosion.
Test the shift solenoids and range sensor per the service data.
Repair the specific fault found; replace the TCM only after wiring and components are ruled out.

FAQ

Quick answers

Is it safe to drive with P0701?+

Short trips usually, but expect rough or limited shifting. Prolonged driving in limp mode adds wear, so get it diagnosed soon.

Can I just clear P0701?+

It returns once the control system sees the fault again, and clearing it erases the freeze-frame data that helps diagnosis.

Read & clear P0701 yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play

✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX