OBD-II code · Powertrain (generic)
P07C7 Intermediate Shaft Speed Sensor B Circuit Low
Intermediate shaft speed sensor B (second intermediate sensor in dual-clutch boxes) signal voltage below the lower limit.
Is it safe to drive with P07C7?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to ground
- Less likelyConnector pins corroded - high contact resistance
- Less likelyHarness chafing through insulation
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Intermediate Shaft Speed Sensor B, Sensor Wiring
Related codes
- P07C5Intermediate Shaft Speed Sensor A Circuit Low
- P07C9Intermediate Shaft Speed Sensor C Circuit Low
- P07C4Input/Turbine Shaft Speed Sensor C Circuit High
- P07C6Intermediate Shaft Speed Sensor A Circuit High
- P07C8Intermediate Shaft Speed Sensor B Circuit High
- P07CAIntermediate Shaft Speed Sensor C Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.