AUDI

Bulletin 80C9

Manufacturer communications

Publication date: 2020-09-24
Received by NHTSA: 2020-10-06
NHTSA record numbers: 10180345

Manufacturer summary

Original wording in English

Affected vehicles software configuration for monitoring a functional temperature sensor and coolant switching valve was based on known good and 'bad' temperature differentials. The 'bad' temperature differentials did not take into account certain normal variables. This condition could lead to a MIL with the following erroneous faults stored in the thermal management control module (00C5): P0C4300: Hybrid/EV Battery Pack Coolant Temperature Sensor "A" Circuit Range/Performance P0CE100: Hybrid/EV Battery Pack Coolant Control Valve "A" Stuck On

NHTSA manufacturer communications ↗

Reported code forms

P0C43 P0CE1

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

AudiP0C4300

Hybrid/EV Battery Pack Coolant Temperature Sensor "A" Circuit Range/Performance

NHTSA 10180345 · NHTSA 10180346

AudiP0CE100

Hybrid/EV Battery Pack Coolant Control Valve "A" Stuck On

NHTSA 10180345 · NHTSA 10180346

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Audi	Q5	2020
Audi	Q5 E	2020

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