C1568, Power Steering Inoperative | Lexus RX400h 🚗 2006 Lexus RX400h The power steering is not working. EPS: C1568 DC-DC converter malfunction 🩺 Diagnosis Possible causes of C1568 Power Steering Converter Hybrid Control System EPS DDC fuse Wire harness or...
Case Studies
8. Flickering Lights | Mazda
Flickering Headlights | Mazda 🚗 2016 Mazda 3 When I turn the low beams on, all exterior lights start to flicker, including the low beams. Here is a video of what was going on. 🩺 Diagnosis When the low beam relay gets disconnected, lights start to work fine (except the...
7. Misfire | Subaru Forester
Misfire | Subaru Forester 🚗 2011 Subaru Forester 2.5L Car came in misfiring on all 4 cylinders at idle. Customer previously has already replaced the spark plugs, coils, checked compression, replaced the front O2 Sensor, and the MAF Sensor. 🩺 Diagnosis...
6. Secondary Air Injection, P2440 | Buick Lacrosse
Secondary Air Injection, P2440 | Buick LaCrosse 🚗 2007 Buick LaCrosse The car came in with check engine light and a code P2440 Secondary Air Injection System Switching Valve stuck open 🩺 Diagnosis Secondary Air System on this vehicle includes: secondary air pump air...
5. No Start | Steering Lock Issue | Nissan Altima
No Start| Steering Lock Issue | Nissan Altima 🚗 2009 Nissan Altima with Intelligent Key Ignition won’t turn on and the car won’t start 🩺 Diagnosis Tested the operation of the key by locking all the doors from the key and pressing the keyless entry button on the...
4. RPM Surging with A/C On | 2004 GMC Envoy
Surging | GMC Envoy 🚗 2004 GMC Envoy 4.2 When A/C is turned ON, the engine starts surging (rpms go up and down). With A/C turned off, seemed to idle normally. Customer provided no car history. 🩺 Diagnosis Could it be that the A/C compressor builds up so...
3. No Start | 2008 Honda CRV
No Start | Honda CRV 🚗 2008 Honda CRV Car came in with a crank-but-no-start condition. A customer has bought it like this from the auction, so no history is available. 🩺 Diagnosis Security light was off, indicating that it’s not a security-related issue. First...
2. Oxygen Sensor Heater, P0032 | 2004 Toyota 4Runner 4.7L
Oxygen Sensor Heater, P0032 | Toyota 4Runner 🚗 2004 Toyota 4Runner 4.7L P0032 Bank 1 Sensor 1 Heater Control Circuit High Customer has previously changed the Oxygen Sensor B1S1 with an aftermarket Denso part, which didn't fix the problem. Same code came back within a...
1. No Acceleration, P2102 P2111 | 2014 Mercedes CLS 250
No Acceleration, P2102 P2111 | Mercedes CLS 🚗 2014 Mercedes Benz CLA 250 2.0L Turbo Car starts, but the check engine light is on and the car doesn't accelerate. It from a body shop. Prior to bodyshop was running fine. 🩺 Diagnosis ECM DTC's...
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