Ambient Air Temperature Sensor Circuit
2016-2016 Cadillac ATS 2.5L I4
The 2016 Cadillac ATS is equipped with a 2.5L inline-4 engine. Below you'll find detailed p0070 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The PCM detected a malfunction in the ambient air temperature sensor circuit.
Symptoms
- Check Engine Light
- Incorrect climate control operation
- Incorrect outside temp display
Common Causes
- Faulty ambient temp sensor
- Wiring damage
- Sensor location issue (heat soak)
Diagnostic Steps
- Test sensor resistance across temperature range
- Inspect wiring
- Check sensor mounting location
Repair Notes
Replace ambient air temperature sensor.
Related Codes
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- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
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- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
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- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0070 on Other Vehicles
Common Questions
What does code P0070 mean on a 2016-2016 Cadillac ATS?
P0070 stands for "Ambient Air Temperature Sensor Circuit". The PCM detected a malfunction in the ambient air temperature sensor circuit.
What are the symptoms of P0070 on a Cadillac ATS?
Common symptoms of P0070 include: Check Engine Light, Incorrect climate control operation, Incorrect outside temp display.
What causes P0070 on a 2016-2016 Cadillac ATS?
Common causes of P0070 include: Faulty ambient temp sensor, Wiring damage, Sensor location issue (heat soak).
Last updated: March 2026