P0814
PowertrainTransmissionlow severityTransmission Range Display Circuit
What P0814 Means
A fault was detected in the transmission range display circuit. This affects the gear position indication shown to the driver.
Symptoms
- Incorrect gear display
- Missing range indicator
- Warning light illuminated
Common Causes
- Faulty range sensor
- Wiring or connector fault
- Instrument cluster fault
- Control module communication issue
Diagnostic Steps
- Read stored trouble codes
- Inspect range sensor and wiring
- Verify range signal to cluster
- Repair circuit or replace faulty part
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Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
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Serious DIY~$100
BlueDriver Pro →
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Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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