B01xx OBD-II Codes (B0100–B0199)

100 fault codes in the B01xx range. Click any code for causes, diagnostic steps, severity, and common fixes.

B0100 low
Dome Light Circuit Malfunction
B0101 low
Map Light Circuit Malfunction
B0102 low
Vanity Mirror Light Circuit Malfunction
B0103 low
Trunk Light Circuit Malfunction
B0104 low
Cargo Area Light Circuit Malfunction
B0105 low
Footwell Light Circuit Malfunction
B0106 low
Ambient Light Zone Circuit Malfunction
B0107 low
Reading Light Circuit Malfunction
B0108 low
Glove Box Light Circuit Malfunction
B0109 low
Instrument Panel Backlighting Malfunction
B0110 low
Door Panel Light Circuit Malfunction
B0111 low
Courtesy Light Circuit Malfunction
B0112 low
Console Light Circuit Malfunction
B0113 low
Interior Light Timer Circuit Malfunction
B0114 low
Right Dome Light Circuit Malfunction
B0115 low
Right Map Light Circuit Malfunction
B0116 low
Right Vanity Mirror Light Circuit Malfunction
B0117 low
Right Trunk Light Circuit Malfunction
B0118 low
Right Cargo Area Light Circuit Malfunction
B0119 low
Right Footwell Light Circuit Malfunction
B0120 low
Right Ambient Light Zone Circuit Malfunction
B0121 low
Right Reading Light Circuit Malfunction
B0122 low
Right Glove Box Light Circuit Malfunction
B0123 low
Right Instrument Panel Backlighting Malfunction
B0124 low
Right Door Panel Light Circuit Malfunction
B0125 low
Right Courtesy Light Circuit Malfunction
B0126 low
Right Console Light Circuit Malfunction
B0127 low
Right Interior Light Timer Circuit Malfunction
B0128 low
Front Left Dome Light Circuit Malfunction
B0129 low
Front Left Map Light Circuit Malfunction
B0130 low
Front Left Vanity Mirror Light Circuit Malfunction
B0131 low
Front Left Trunk Light Circuit Malfunction
B0132 low
Front Left Cargo Area Light Circuit Malfunction
B0133 low
Front Left Footwell Light Circuit Malfunction
B0134 low
Front Left Ambient Light Zone Circuit Malfunction
B0135 low
Front Left Reading Light Circuit Malfunction
B0136 low
Front Left Glove Box Light Circuit Malfunction
B0137 low
Front Left Instrument Panel Backlighting Malfunction
B0138 low
Front Left Door Panel Light Circuit Malfunction
B0139 low
Front Left Courtesy Light Circuit Malfunction
B0140 low
Front Left Console Light Circuit Malfunction
B0141 low
Front Left Interior Light Timer Circuit Malfunction
B0142 low
Front Right Dome Light Circuit Malfunction
B0143 low
Front Right Map Light Circuit Malfunction
B0144 low
Front Right Vanity Mirror Light Circuit Malfunction
B0145 low
Front Right Trunk Light Circuit Malfunction
B0146 low
Front Right Cargo Area Light Circuit Malfunction
B0147 low
Front Right Footwell Light Circuit Malfunction
B0148 low
Front Right Ambient Light Zone Circuit Malfunction
B0149 low
Front Right Reading Light Circuit Malfunction
B0150 low
Front Right Glove Box Light Circuit Malfunction
B0151 low
Front Right Instrument Panel Backlighting Malfunction
B0152 low
Front Right Door Panel Light Circuit Malfunction
B0153 low
Front Right Courtesy Light Circuit Malfunction
B0154 low
Front Right Console Light Circuit Malfunction
B0155 low
Front Right Interior Light Timer Circuit Malfunction
B0156 low
Rear Left Dome Light Circuit Malfunction
B0157 low
Rear Left Map Light Circuit Malfunction
B0158 low
Rear Left Vanity Mirror Light Circuit Malfunction
B0159 low
Rear Left Trunk Light Circuit Malfunction
B0160 low
Rear Left Cargo Area Light Circuit Malfunction
B0161 low
Rear Left Footwell Light Circuit Malfunction
B0162 low
Rear Left Ambient Light Zone Circuit Malfunction
B0163 low
Rear Left Reading Light Circuit Malfunction
B0164 low
Rear Left Glove Box Light Circuit Malfunction
B0165 low
Rear Left Instrument Panel Backlighting Malfunction
B0166 low
Rear Left Door Panel Light Circuit Malfunction
B0167 low
Rear Left Courtesy Light Circuit Malfunction
B0168 low
Rear Left Console Light Circuit Malfunction
B0169 low
Rear Left Interior Light Timer Circuit Malfunction
B0170 low
Rear Right Dome Light Circuit Malfunction
B0171 low
Rear Right Map Light Circuit Malfunction
B0172 low
Rear Right Vanity Mirror Light Circuit Malfunction
B0173 low
Rear Right Trunk Light Circuit Malfunction
B0174 low
Rear Right Cargo Area Light Circuit Malfunction
B0175 low
Rear Right Footwell Light Circuit Malfunction
B0176 low
Rear Right Ambient Light Zone Circuit Malfunction
B0177 low
Rear Right Reading Light Circuit Malfunction
B0178 low
Rear Right Glove Box Light Circuit Malfunction
B0179 low
Rear Right Instrument Panel Backlighting Malfunction
B0180 low
Rear Right Door Panel Light Circuit Malfunction
B0181 low
Rear Right Courtesy Light Circuit Malfunction
B0182 low
Rear Right Console Light Circuit Malfunction
B0183 low
Rear Right Interior Light Timer Circuit Malfunction
B0184 low
Center Dome Light Circuit Malfunction
B0185 low
Center Map Light Circuit Malfunction
B0186 low
Center Vanity Mirror Light Circuit Malfunction
B0187 low
Center Trunk Light Circuit Malfunction
B0188 low
Center Cargo Area Light Circuit Malfunction
B0189 low
Center Footwell Light Circuit Malfunction
B0190 low
Center Ambient Light Zone Circuit Malfunction
B0191 low
Center Reading Light Circuit Malfunction
B0192 low
Center Glove Box Light Circuit Malfunction
B0193 low
Center Instrument Panel Backlighting Malfunction
B0194 low
Center Door Panel Light Circuit Malfunction
B0195 low
Center Courtesy Light Circuit Malfunction
B0196 low
Center Console Light Circuit Malfunction
B0197 low
Center Interior Light Timer Circuit Malfunction
B0198 low
Upper Dome Light Circuit Malfunction
B0199 low
Upper Map Light Circuit Malfunction
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