P018B: owner reports and bulletins
Got P018B on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.
What owners report to NHTSA
10 complaints filed with NHTSA mention P018B, 10 of them since 2015, across 7 different models. The component owners most often filed it under: fuel/propulsion system.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| ALFA ROMEO GIULIA | 3 | 2019 |
Manufacturer service bulletins that name P018B
58 technical service bulletins and manufacturer communications filed with NHTSA mention P018B, from 6 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- RAM 1500 (2025), bulletin 11008018: "Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P01…
- JEEP WAGONEER (2024), bulletin 11010257: "Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P01…
- JEEP GRAND WAGONEER (2024), bulletin 11011903: "Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P…
- GMC YUKON DENALI (2015, 2016, 2014, 2017), bulletin 10190331: Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures With Hesitation, Surging and Stalling Condition Some customers may comment that the Malfunction Indicator Light (MIL)…
- CHEVROLET SILVERADO 1500 (2014, 2015, 2016, 2017), bulletin 10190331: Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures With Hesitation, Surging and Stalling Condition Some customers may comment that the Malfunction Indicator Light (MIL)…
- CADILLAC ESCALADE (2015, 2016), bulletin 10190331: Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures With Hesitation, Surging and Stalling Condition Some customers may comment that the Malfunction Indicator Light (MIL)…
Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.