P1197 – Jeep DTC

Jeep DTC P1197 – 1/2 O2 Sensor Slow During Catalyst Monitor

DTC P1197 meaning on Jeep

1. DTC P1197 indicates that the 1/2 O2 sensor is slow during the catalyst monitor on a Jeep.

Jeep DTC P1197 symptoms

• Check Engine Light (CEL) illuminated on the dashboard.
• Poor fuel economy.
• Reduced engine performance.

Jeep DTC P1197 causes

• Malfunctioning 1/2 O2 sensor.
• Issues with the catalytic converter.
• Wiring or connector problems in the O2 sensor circuit.

Jeep DTC P1197 seriousness

1. If left unresolved, DTC P1197 can lead to increased emissions, reduced fuel efficiency, and potential damage to the catalytic converter.

How to diagnose DTC P1197 on Jeep

1. Use an OBD-II scanner to retrieve the specific fault code.
2. Inspect the 1/2 O2 sensor and its wiring for any visible damage or corrosion.
3. Check the catalytic converter for signs of damage or clogging.

How to fix DTC P1197 on Jeep

1. Replace the 1/2 O2 sensor if it is faulty.
2. Repair any wiring or connector issues in the O2 sensor circuit.
3. If the catalytic converter is damaged, replace it with a new one.

How to erase DTC P1197 on Jeep

1. After fixing the underlying issue, use an OBD-II scanner to clear the fault code.
2. Ensure that the Check Engine Light is no longer illuminated.