P0700 on a Jeep: Causes, Fixes & Repair Cost

🟠 Moderate severity · drivable

You can usually drive a Jeep short-term with P0700, but stop if the transmission slips or gets stuck in gear.

What P0700 means on a Jeep

On a Jeep, P0700 is the transmission control module reporting a stored fault to the engine computer. The actual problem is saved as a separate code in the TCM that a basic OBD2 reader cannot display. Jeeps use several automatic transmissions, and the code usually means the transmission system needs a proper diagnostic scan.

Is P0700 common on Jeeps?

P0700 appears on Jeeps with automatic transmissions, especially Grand Cherokees, Wranglers, and Cherokees. Faulty solenoids, low fluid, and speed sensor failures are common triggers. Wranglers and Cherokees with the 42RLE and 62TE are known for these kinds of faults.

Commonly reported on: Grand Cherokee, Wrangler, Cherokee, Compass.

Symptoms

Check engine light on
Transmission warning light or limp mode
Harsh or delayed shifts
Transmission stuck in one gear

Common causes

most common: Faulty shift solenoid
common: Low or dirty transmission fluid
common: Failing speed sensor
less common: Valve body or TCM fault

How to fix it

Fix	DIY?	Typical cost
Read the stored transmission code with a professional scan tool	Mechanic	$80–150
Service the transmission fluid and filter	Yes	$100–250
Replace the faulty solenoid	Mechanic	$200–600
Rebuild the valve body or transmission	Mechanic	$1200–3000