Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSFORD2007ESCAPE BASE, 2.3 Z, FWD, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 746 (ANTI-THEFT SYSTEM)DIAGNOSTIC TESTSANTI-THEFTINSPECTION AND VERIFICATION

2007 Ford Escape Base, 2.3 Z, FWD, Automatic

Inspection and Verification

2007 Ford Escape Base, 2.3 Z, FWD, AutomaticSECTION Inspection and Verification

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Verify the customer concern.

Visually inspect the following for obvious signs of mechanical or electrical damage.

VISUAL INSPECTION CHART

Mechanical	Electrical
Large metallic objects or electronic devices on the key ring that can be used to purchase gasoline or similar items Ignition lock cylinder Passive anti-theft system (PATS) key Use of a non-PATS key or incorrect PATS key More than one PATS key on key ring Remote start system installed	Central junction box (CJB) fuse(s): 5 (7.5A) 28 (5A) Circuitry Ignition switch PATS transceiver Powertrain control module (PCM)

If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.

NOTE: Make sure to use the latest scan tool software release.

If the cause is not visually evident, connect the scan tool to the data link connector (DLC).

NOTE: The vehicle communication module (VCM) LED prove-out confirms power and ground from the DLC are provided to the VCM.

If the scan tool does not communicate with the VCM:
- Check the VCM connection to the vehicle.
- Check the scan tool connection to the VCM.
- Refer to MODULE COMMUNICATIONS NETWORK article, No Power To The Scan Tool, to diagnose no communication with the scan tool.
If the scan tool does not communicate with the vehicle:
- Verify the ignition key is in the ON position.
- Verify the scan tool operation with a known good vehicle.
- Refer to MODULE COMMUNICATIONS NETWORK article to diagnose no response from the powertrain control module (PCM).
Carry out the network test:
- If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK article.
- If the network test passes, retrieve and record the continuous memory DTCs.
Clear the continuous DTCs and carry out the self-test diagnostics for the PCM.
If the DTCs retrieved are related to the concern, go to the Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index. For all other DTCs, refer to the Content Not Found article.

If no DTCs related to the concern are retrieved, go to Symptom Chart .

POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC	Description	Action
B1213	Anti-Theft Number of Programmed Keys is Below Minimum	NOTE: If DTCs B1232, B1600, B1601, B1602, B1681 or B2103 are present, they must be addressed first. If DTC B1213 is the only DTC present, PROGRAM additional keys. REFER to Key Programming Using Diagnostic Equipment in this article. CLEAR the DTCs. CYCLE the ignition. REPEAT the self-test.
B1342	ECU is Faulted	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS article. REPEAT the self-test.
B1600	PATS Ignition Key Transponder Signal Is Not Received	No PATS key has been read by the PCM. Go to Pinpoint Test B .
B1601	PATS Received Incorrect Key-Code From Ignition Key Transponder	There is an unprogrammed PATS key. Go to Pinpoint Test C .
B1602	PATS Received Invalid Format of Key-Code From Ignition Key Transponder	Only a partial PATS key was read. Go to Pinpoint Test D .
B1681	PATS Transceiver Module Signal Is Not Received	The PCM did not receive the PATS transceiver signal. Go to Pinpoint Test E .
B2103	Antenna Not Connected	There has been a PATS transceiver antenna failure. Go to Pinpoint Test A .
B2431	Transponder Programming Failed	The ignition key was not programmed. PROGRAM the key. REFER to Spare Key Programming - Using Diagnostic Equipment in this article. CLEAR the DTCs. CYCLE the ignition. REPEAT the self-test.
P1260	Theft Detected, Vehicle Immobilized	NOTE: If there are any PATS DTCs present, ADDRESS them first. If DTC P1260 is the only DTC present, there is a power or ground concern with the PCM. REFER to the Content Not Found article.
All other DTCs	-	REFER to the Content Not Found article.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.