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2006 Ford Escape P0720: Transmission Not Shifting Out of Park - OBD2 Code Explanation and Diagnosis

Model: 2006 Ford Escape Fault Code: P0720 Posted: 2014-05-12 21:46

I own a 2006 Ford Escape Limited 4x4 with nearly 105,000 miles. Yesterday, while pulling into my driveway after work, the vehicle unexpectedly downshifted and surged to high RPMs, with the Overdrive (O/D) light flashing. I released the accelerator and managed to slowly drive the rest of the way home. Today, the car refuses to shift from Park to Reverse to Neutral to Drive — it seems stuck in Park. I used an Autel MaxiScan MS300 CAN OBDII scanner and received two entries: a fault code P0720 and a pending code P0720P. The online manual references for the OBD-II system indicate that P0720 means 'Transmission Control System Electrical' or 'Output Speed Sensor Circuit Malfunction.' I'm trying to pinpoint the root cause. Can anyone provide guidance on diagnosing this issue in a 2006 Ford Escape? Any insights into possible causes, troubleshooting steps, or solutions would be greatly appreciated.

Related fault codes
P0720
Comments (8)
Anonymous 2014-05-13 07:15

P0720 code often indicates an electrical issue within the transmission control system. However, it's important to verify whether your scanner reads both generic and manufacturer-specific diagnostic trouble codes (DTCs). Check the device specifications — some scanners only display generic codes, which may miss vehicle-specific faults. For reference: https://www.obd-codes.com/p0720

Anonymous 2014-05-13 16:51

The Autel MaxiScan MS300 manual states it 'reads and clears both generic and manufacturer-specific Diagnostic Trouble Codes (DTCs) and turns off the check engine light' (page 9, Product Features). If a manufacturer-specific code exists, it should have been detected. I'm currently at work and will verify all codes again once I return home in the next few hours.

Anonymous 2014-05-13 19:02

No additional diagnostic trouble codes were found during my second scan session.

Anonymous 2014-05-14 06:57

The output speed sensor and its associated wiring harness should be inspected. Corrosion, loose connections, or physical damage can cause P0720 to appear. This is a common failure point in older Ford Escapes with transmission issues.

Anonymous 2014-05-14 14:53

I plan to purchase a replacement output speed sensor from an auto parts store (under $50) and inspect the wiring and connector thoroughly tomorrow. I’ll update if this resolves the shifting issue.

Anonymous 2019-10-18 02:30

Hi — if anyone still has this issue or is experiencing similar symptoms, I’m having exactly the same problem. Could someone please share what they found as a resolution? Thank you in advance!

Anonymous 2019-10-18 10:05

I was advised to use an OBD2 scan tool and monitor real-time transmission data during driving — especially when attempting to shift from stop or under load. This issue is particularly frustrating because it makes passing or starting from a standstill unsafe and difficult.

Anonymous 2019-10-18 14:47

I’d really appreciate any updates on this — I’ll be watching closely too! Thanks for sharing!