What does code P1197 mean on Chrysler vehicles?
The downstream oxygen sensor (Bank 1, Sensor 2) responds slowly during the catalyst monitor test.
OBD-II Code Chrysler
P1197 — Chrysler — 1/2 O2 Sensor Slow During Catalyst Monitor
The downstream oxygen sensor (Bank 1, Sensor 2) responds slowly during the catalyst monitor test.
Common symptoms
- Check engine light
- increased emissions
Possible causes
- Degraded downstream O2 sensor
Initial recommendation
Inspect or replace the downstream O2 sensor (Bank 1 Sensor 2).
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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