Want a regional phone & address? Pick your area.
GE·Dishwashermedium severity
GE Error Code C6
Turbidity sensor error
Common Causes
- 1Sensor contamination
- 2Sensor failure
- 3Wiring issue
The turbidity sensor determines water cleanliness — a faulty sensor can cause the dishwasher to either under-wash (dirty dishes) or over-wash (excessive water and energy use). Bay Area water hardness varies significantly by city.
Step-by-Step Troubleshooting
- 1
Run an empty cycle with dishwasher cleaner to remove sensor contamination
- 2
Remove the lower spray arm and filter to access the turbidity sensor in the sump
- 3
Clean the turbidity sensor lens with soft cloth and vinegar — mineral deposits block the optical sensor
- 4
Check sensor wiring connector for corrosion or loose pins
- 5
Test sensor resistance with multimeter (model-specific — refer to tech sheet)
- 6
Replace turbidity sensor if cleaning does not resolve the code
Pro Diagnostic Tip
C6 and C7 are related — C6 is sensor signal out of range, C7 is sensor communication lost. If you see C6, cleaning often resolves it. C7 is more likely a wiring or board issue. Sacramento hard water is the primary cause of turbidity sensor contamination in the region.
You Might Also Notice
- •Dishes not clean after cycle
- •Cycle runs longer than normal
- •Extra rinse cycles added automatically
Parts, Cost & Difficulty
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$100–$280
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
WD21X25461 turbidity sensorWD21X26723 control board (rare — only if sensor replacement fails)
Do You Have the Right Tools?
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $15K+ in professional tools — your diagnostic is free.
Licensed & Insured · 90-Day Warranty · Same-Day Service
Safety First — Know the Risks
High-voltage components and pressurized water lines create flood and shock risk. A single loose fitting can cause thousands in water damage. Our techs are licensed and insured — let them handle the risk.
Licensed & Insured · 90-Day Warranty · Same-Day Service
Ready to Get This Fixed?
Don't let error code C6 disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
Licensed & Insured · 90-Day Warranty · Same-Day Appointments Available
4.85 (232 verified reviews)
Same-Day Appliance Repair
Fixed or It's Free
$89 → $0 Service Call & Diagnosis — offer ends May 31
Frequently Asked Questions
What does GE error code C6 mean?
GE error code C6 indicates: Turbidity sensor error. This is a medium-severity issue affecting your dishwasher.
How do I fix GE error code C6?
Run an empty cycle with dishwasher cleaner to remove sensor contamination Then, Remove the lower spray arm and filter to access the turbidity sensor in the sump Then, Clean the turbidity sensor lens with soft cloth and vinegar — mineral deposits block the optical sensor There are 3 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
How do I know if my dishwasher has error C6?
Besides the error code on the display, common signs include: Dishes not clean after cycle; Cycle runs longer than normal; Extra rinse cycles added automatically. If you notice any of these symptoms, check your dishwasher's display panel for error code C6.
How much does it cost to fix GE C6?
Repair costs for GE C6 typically range from $100 to $280 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.