Exhaust Gas Recirculation System Module (ESM)
EGR System Module (ESM) Connector
Harness Side
Powertrain Control Module (PCM) Connector - For PCM connector views or reference values, refer to Reference Values.
Harness Side
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.
Test HH: Exhaust Gas Recirculation System Module (ESM)
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Exhaust Gas Recirculation System Module (ESM)
EGR System Module (ESM) Connector
Harness Side
Powertrain Control Module (PCM) Connector - For PCM connector views or reference values, refer to Reference Values.
Harness Side
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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.