Diagnostic knowledge search

23,879 code identifiers with scoped meanings, and 54,261 enhanced signal definitions. No VIN or personal information is needed.

Code or signal meaning

Reference

Brand context

23,879 matches

Page 316 · 9451–9480 shown

B0173

Output air temperature sensor #1 (upper; single or LH) circuit malfunction; Upper Left Duct Air Temperature Sensor Circuit Short to Ground; Upper Left Duct Air Temperature Sensor Circuit High Voltage/Open

1 reference families · GM

B0174

Output Air Temperature Sensor #1 (Upper; Single or LH) Circuit Range/Performance

3 reference families · BMW, GM, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

B0175

Output air temperature sensor #1 (upper; single or LH) circuit low

1 reference families · GM

B0176

Output air temperature sensor #1 (upper; single or LH) circuit high

1 reference families · GM

B0177

Output air temperature sensor #1 (upper; single or LH) circuit open

1 reference families · GM

B0178

Output air temperature sensor #2 (lower; single or LH) circuit malfunction; Lower Left Duct Air Temperature Sensor Circuit Short to Ground; Lower Left Duct Air Temperature Sensor Circuit High Voltage/Open

1 reference families · GM

B0179

Output Air Temperature Sensor #2 (Lower; Single or LH) Circuit Range/Performance

3 reference families · BMW, GM, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

B0180

Output air temperature sensor #2 (lower; single or LH) circuit low

1 reference families · GM

B0181

Output air temperature sensor #2 (lower; single or LH) circuit high

1 reference families · GM

B0182

Output air temperature sensor #2 (lower; single or LH) circuit open

1 reference families · GM

B0183

Solar load sensor #1 (single sensor or LH) circuit malfunction; Solar Load Sensor Circuit Short to Ground; Solar Load Sensor Circuit High Voltage/Open

1 reference families · GM

B0184

Solar Load Sensor #1 CKT Range

3 reference families · BMW, GM, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

B0185

Solar load sensor #1 (single sensor or LH) circuit low

1 reference families · GM

B0186

Solar load sensor #1 (single sensor or LH) circuit high

1 reference families · GM

B0187

Solar load sensor #1 (single sensor or LH) circuit open

1 reference families · GM

B0188

Solar load sensor #2 (RH) circuit malfunction

1 reference families · GM

B0189

Solar Load Sensor #2 CKT Range

3 reference families · BMW, GM, Audi / Jetta / MAN / Seat / Skoda / Volkswagen

B018A

Windshield Temperature Sensor Circuit Short to Ground; Windshield Temperature Sensor Circuit High Voltage/Open

1 reference families · GM

B018B

HVAC Condenser Air Deflector Circuit Short to Ground; HVAC Condenser Air Deflector Circuit High Voltage/Open

1 reference families · GM

B0190

Solar load sensor #2 (RH) circuit low

1 reference families · GM

B0191

Solar load sensor #2 (RH) circuit high

1 reference families · GM

B0192

Solar load sensor #2 (RH) circuit open

1 reference families · GM

B0193

Blower motor #1 (main/primary/front) speed circuit malfunction; Front Blower Motor Speed Circuit Short to Battery; Front Blower Motor Speed Circuit Low Voltage/Open

1 reference families · GM

B0194

Blower motor #1 (main/primary/front) speed circuit range/performance

1 reference families · GM

B0195

Blower motor #1 (main/primary/front) speed circuit low

1 reference families · GM

B0196

Blower motor #1 (main/primary/front) speed circuit high

1 reference families · GM

B0197

Blower motor #1 (main/primary/front) speed circuit open

1 reference families · GM

B0198

Blower motor #1 (main/primary/front) power circuit malfunction

1 reference families · GM

B0199

Blower motor #1 (main/primary/front) power circuit range/performance

1 reference families · GM

B0200

Blower motor #1 (main/primary/front) power circuit low

1 reference families · GM

Previous page Next page Reset filters Browse brands

OBD Lens reference library · catalog legacy-owner-2026-11-02-v84-evidence. Sources and scope