P0403 on Jeep vehicles A fault in the exhaust gas recirculation control circuit
P0403 is named on 5 Jeep model years (2020–2022): 25 manufacturer filings and 0 owner reports in NHTSA’s files, across Gladiator, Wrangler.
Which Jeep model years name P0403
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2022 Jeep Gladiator | Exterior Lighting | 5 | — |
| 2022 Jeep Wrangler | Exterior Lighting | 5 | — |
| 2021 Jeep Gladiator | Exterior Lighting | 5 | — |
| 2021 Jeep Wrangler | Exterior Lighting | 5 | — |
| 2020 Jeep Wrangler | Exterior Lighting | 5 | — |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
Jeep filings that name P0403
Source: NHTSA manufacturer communicationsBulletins and campaigns Jeep filed with NHTSA whose summary names P0403. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- S2118000015 RevB Service bulletin2022-03-25 · Exterior Lighting
- Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
- S2118000015 Service bulletin2022-03-25 · Exterior Lighting
- Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
- S2118000015 Service bulletin2022-01-01 · Exterior Lighting
- Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
What P0403 means
Source: SAE J2012 / OBD-IIA fault in the exhaust gas recirculation control circuit.
A stored code names the test that failed, never the part that caused it. The record above is what Jeep and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P0403 a known problem on Jeep vehicles?
It is a documented one: NHTSA's files hold 25 manufacturer filings and 0 owner reports naming P0403 on 5 Jeep model years (2020–2022). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Jeep models does P0403 appear on most?
2022 Gladiator (5 documents), 2021 Gladiator (5 documents), 2022 Wrangler (5 documents).
Does P0403 on a Jeep mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.