How do I read ABS codes on a 1996 Ford Bronco or F-Series with the light flash technique?

Locate the test connector in the engine compartment and install a 12V test light between Pins C and E (the amber ABS warning light also flashes if no test light is available). With ignition off, jumper Pin E to B, turn the key to RUN, remove the jumper after 5 seconds, then count the flashes of the test light or amber ABS warning light.

What does ABS code 16 mean?

Code 16 indicates the system is OK. Do not replace the anti-lock brake electronic control module.

How do I manually clear ABS diagnostic trouble codes?

All diagnostic trouble codes must be output, all concerns corrected (anti-lock light off), and the vehicle driven about 40 km/h (25 mph) before codes will be erased. Do not raise the vehicle on a hoist and accelerate to simulate driving — erroneous sensor codes will be set.

Will ABS codes clear automatically?

Yes. A diagnostic trouble code will be automatically erased if no system concerns occur for 50 ignition cycles.

What Rotunda tools are needed for the ABS breakout box setup?

Disconnect the 40-pin plug from the anti-lock brake electronic control module, then connect the Rotunda Breakout Box Adapter with Overlay 007-00103 (or equivalent) to the vehicle harness, connect the adapter's 60-pin plug to the Breakout Box 014-00322 cable, and install the overlay.

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1996 Ford Bronco/F-Series 4-Wheel ABS Diagnosis - Code Retrieval & Erasing

Scanned 1996 F-150 service manual page, ABS breakout-box setup steps with adapter and connector figures

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Scanned Ford service manual page describing ABS code retrieval and breakout-box test setup, with adapter and connector illustrations and handwritten notes.

AI caption June 2017 · Photo 309 of 413

This page (06-09B-12) from the 1996 Ford F-150/F-250/F-350/Bronco/F-Super Duty Body & Chassis service manual (dated July 1995) covers Diagnosis and Testing of the 4-Wheel Anti-Lock Brake (ABS) system. It explains the Light Flash Technique for retrieving diagnostic trouble codes: locating the test connector in the engine compartment, installing a 12V test light between Pins C and E (or watching the amber ABS warning light), jumpering Pin E to B with ignition off, turning the key to RUN, removing the jumper after 5 seconds, and counting light flashes. Code 16 indicates system OK. The Breakout Box Setup section describes disconnecting the 40-pin plug from the anti-lock brake electronic control module and connecting Rotunda Breakout Box 014-00322 with Adapter/Overlay 007-00103. An illustration shows the breakout box, overlay, and module connector (part of 2C279). The page also explains erasing diagnostic trouble codes: manually by correcting all concerns and driving about 40 km/h (25 mph) — with a warning not to simulate driving on a hoist — and automatic memory erasing after 50 ignition cycles without system concerns. Handwritten annotations note that code digits are separated by 3-6 seconds and reference pages 06-09B-14 and 06-09B-16 for pinpoint tests and code lists.

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Frequently asked questions

How do I read ABS codes on a 1996 Ford Bronco or F-Series with the light flash technique?: Locate the test connector in the engine compartment and install a 12V test light between Pins C and E (the amber ABS warning light also flashes if no test light is available). With ignition off, jumper Pin E to B, turn the key to RUN, remove the jumper after 5 seconds, then count the flashes of the test light or amber ABS warning light.
What does ABS code 16 mean?: Code 16 indicates the system is OK. Do not replace the anti-lock brake electronic control module.
How do I manually clear ABS diagnostic trouble codes?: All diagnostic trouble codes must be output, all concerns corrected (anti-lock light off), and the vehicle driven about 40 km/h (25 mph) before codes will be erased. Do not raise the vehicle on a hoist and accelerate to simulate driving — erroneous sensor codes will be set.
Will ABS codes clear automatically?: Yes. A diagnostic trouble code will be automatically erased if no system concerns occur for 50 ignition cycles.
What Rotunda tools are needed for the ABS breakout box setup?: Disconnect the 40-pin plug from the anti-lock brake electronic control module, then connect the Rotunda Breakout Box Adapter with Overlay 007-00103 (or equivalent) to the vehicle harness, connect the adapter's 60-pin plug to the Breakout Box 014-00322 cable, and install the overlay.