Back to 2015 Cadillac ATS

2015 CADILLAC ATS

2.5L I4RWDAUTOMATICgas
3 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque4920Fluid7DTC959Battery0Maintenance0Recalls3
P0198low severityPowertrain

Engine Oil Temperature Sensor Circuit High

on 2015 Cadillac ATS 2.5L I4 · RWD

What this code means

High voltage from the engine oil temperature sensor.

Symptoms

  • Check Engine Light
  • Low oil temp reading displayed

Common causes

  • Open circuit
  • Faulty sensor
  • Disconnected

Diagnostic steps

  1. Test voltage
  2. Check for opens

Repair notes

Repair or replace.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →