Traditional gasoline car fault
Search fault code and browse forum case posts.
This page is designed for quick diagnosis on gasoline vehicles by combining code lookup with real discussion cases. Enter a fault code to filter related topics, then compare symptom context such as cold start behavior, acceleration load, fuel-trim deviation, ignition misfire pattern, and recent maintenance history. Many codes can be triggered by shared root causes, so use cross-checks from multiple posts before replacing sensors, coils, injectors, or catalytic components.
2003 Dodge Caravan P1698 Code: No Bus Message from Transmission Control Module
I own a 2003 Dodge Caravan with a 3.3L engine. Recently, the transmission warning light came on and the vehicle is now refusing to shift properly. The onboard diagnostic system ...
2003 dodge caravan | P16982003 Dodge Durango P1603, P1604, and P1698 Codes: Overdrive Issue & PCM Diagnosis
My 2003 Dodge Durango is slipping when accelerating out of parking and I believe it's stuck in overdrive. The vehicle has error codes P1603, P1604, and P1698. I'm not sure what ...
2003 dodge durango | P1603Dodge Ram 3500 Diesel (2002) with P0117, P1698, and P0380 Code - Causes and Solutions
I'm looking for help diagnosing three trouble codes: P0117, P1698, and P0380 on a 2002 Dodge Ram 3500 Diesel (4x4). This truck is not mine, so I don't have access to it for insp...
dodge | P0117P1698 Diagnostic Code: No CCD Messages from PCM in 2002 Dodge Ram 1500 4.7L with Command Start
I own a 2002 Dodge Ram 1500 with a 4.7L engine and command start system. Every third or fourth time I use the starter, my vehicle triggers the P1698 diagnostic code: 'No CCD Mes...
2002 Dodge Ram 1500 | P1698Practical workflow for fault-code troubleshooting
Start by confirming battery voltage and reading freeze-frame data, then inspect wiring and connectors before replacing parts. If the code returns after clearing, record the exact driving or idling condition when it reappears. Prefer case threads with complete repair feedback, because confirmed outcomes provide stronger guidance than one-time symptom descriptions. Following a step-by-step workflow reduces repeated repairs and lowers total diagnosis time.