C1836
Manufacturer-specific Basic entry
Battery Temp out of Range
Severity
Medium
Typical repair cost
60 – 500 EUR
System
Chassis
This is a manufacturer-specific code. Its exact meaning can differ between makes; the definition below follows the most common usage.
What it means
C1836 is stored when the Battery Temp out of Range signal is electrically valid but does not make sense compared with other sensors or the expected operating range. The circuit is usually fine; the component or what it measures is out of specification.
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Symptoms
- ABS, ESP or traction control warning light
- Stability and traction systems disabled
- Possible longer braking distance in emergency stops
- Speedometer or cruise control affected in some vehicles
Common causes
- Battery Temp out of Range worn, contaminated or out of calibration
- Mechanical problem in the system the sensor measures
- Air, vacuum or exhaust leak influencing the reading
- Wrong or low-quality replacement part
- Wiring resistance causing a small voltage offset
How to diagnose
- Compare the live Battery Temp out of Range reading with a known-good value or a second sensor at idle and at 2500 rpm
- Check for air, vacuum or exhaust leaks that could skew the reading
- Inspect the component for contamination and clean it if the design allows
- Verify the part number is correct for the engine
- Replace the Battery Temp out of Range if the reading remains out of specification
Frequently asked questions
Can I keep driving with C1836?
Usually yes for a short time, but expect reduced performance or higher fuel use. Have it diagnosed within a few days.
Will clearing C1836 fix it?
No. Clearing only erases the stored code; it returns as soon as the monitor runs again unless the cause is repaired.
Related codes
Nearby codes in this group
- C1835Current Sense Circuit Failure
- C1837Battery Heater Circuit Failure
- C1834Gauge Drive Current Fault
- C1838Charging System Fault
- C1833Air Suspension Compressor Relay Circuit Short To Ground
- C1839Leakage Fault
- C1832Air Suspension Compressor Relay Circuit Short To Battery
- C1840Air Suspension Disable Switch Circuit Failure