How do I fix Ford code 212?

Check the circuit wiring and harness for damage, chafing or a poor splice Test the ECM last, only after every circuit test has passed Clear the code, then retest to confirm the fix holds

212 Loss of ignition diagnostic module input to PCM or SPOUT circuit grounded

Q: What does Ford code 212 mean?

Ford code 212. Loss of ignition diagnostic module input to PCM or SPOUT circuit grounded. Applies to 1981-1995 Ford, Lincoln and Mercury EEC-IV vehicles.

Make: Ford (1981-1995)
Category: Powertrain - Ignition
Severity: Check Engine Light
Applies to: 1981-1995 Ford, Lincoln and Mercury EEC-IV vehicles

How to read it

Code 212 reads as 2 flashes, pause, 1 flash, pause, 2 flashes on the check-engine light. Jumper the self-test input to signal return at the test connector, then run the key on engine off self test and the running self test, counting the check-engine flashes each time.

New to flash codes? The OBD-I code reading guide walks through the paperclip method, code 12, and reading two-digit codes.

What does Ford code 212 mean?

212. Loss of ignition diagnostic module input to PCM or SPOUT circuit grounded. This code sets when your vehicle computer detects loss of ignition diagnostic module input to pcm or spout circuit grounded.

Common causes of 212

Wiring
ICM
ECM

How to fix 212

Check the circuit wiring and harness for damage, chafing or a poor splice
Test the ECM last, only after every circuit test has passed
Clear the code, then retest to confirm the fix holds