GM Service Manual Online
For 1990-2009 cars only

DTC Code

United States

Canada

RPO NC1, NF2, NF4, NT9, FE9, YF5, NE1, NG1

Unleaded Export

RPO NF9

Unleaded Heavy Duty (greater than 8600 GVW)

RPO NC8, NF4, NT9, NF9

P0101

B

B

B

P0102

B

B

B

P0103

B

B

B

P0106

B

B

B

P0107

B

B

B

P0108

B

B

B

P0112

B

B

B

P0113

B

B

B

P0116

B

X

X

P0117

B

B

B

P0118

B

B

B

P0120

A

A

A

P0125

B

X

X

P0128

B

X

X

P0131

B

B

B

P0132

B

B

B

P0133

B

X

X

P0134

B

B

B

P0135

B

X

X

P0137

B

B

B

P0138

B

B

B

P0140

B

B

B

P0141

B

X

X

P0151

B

B

B

P0152

B

B

B

P0153

B

X

X

P0154

B

B

B

P0155

B

X

X

P0157

B

B

B

P0158

B

B

B

P0160

B

B

B

P0161

B

X

X

P0169

C

C

C

P0171

B

B

B

P0172

B

B

B

P0174

B

B

B

P0175

B

B

B

P0178

B

X

X

P0179

B

X

X

P0200

B

C

C

P0218

C

X

X

P0220

A

A

A

P0230

B

B

B

P0300

B

B

(No MIL)

B

(No MIL)

P0315

A

A

A

P0325

B

B

B

P0327

B

B

B

P0332

B

B

B

P0335

B

B

B

P0336

B

B

B

P0341

B

B

B

P0342

B

B

B

P0343

B

B

B

P0351

B

B

B

P0352

B

B

B

P0353

B

B

B

P0354

B

B

B

P0355

B

B

B

P0356

B

B

B

P0357

B

B

B

P0358

B

B

B

P0420

A

A

X

P0430

A

A

X

P0442

A

X

X

P0443

B

B

B

P0446

A

X

X

P0449

B

X

X

P0452

B

X

X

P0453

B

X

X

P0455

A

X

X

P0461

C

C

C

P0462

C

C

C

P0463

C

C

C

P0496

B

X

X

P0500 (Manual Trans Only)

B

X

X

P0502

B

C

C

P0503

B

C

C

P0506

B

B

B

P0507

B

B

B

P0522

C

C

C

P0523

C

C

C

P0562

C

C

C

P0563

C

C

C

P0567

C

C

C

P0568

C

C

C

P0571

C

C

C

P0601

A

A

A

P0602

A

A

A

P0604

A

A

A

P0606

A

A

A

P0608

C

C

C

P0609

C

C

C

P0641

B

B

B

P0650

B

(No MIL)

B

(No MIL)

B

(No MIL)

P0651

B

B

B

P0654

C

C

C

P0704 (Manual Trans Only)

B

B

B

P0706 (Auto Trans Only)

C

C

C

P0711

C

C

C

P0712

C

C

C

P0713

C

C

C

P0716

B

C

C

P0717

B

C

C

P0719

C

C

C

P0724

C

C

C

P0730

C

C

C

P0740

B

B

X

P0741

B

B

C

P0742

B

B

C

P0748

C

C

C

P0751

B

B

C

P0752

B

B

C

P0753

B

B

C

P0756

A

A

C

P0757

A

A

C

P0758

A

A

C

P0785

B

B

X

P0894

C

C

C

P1106

C

C

C

P1107

C

C

C

P1111

C

C

C

P1112

C

C

C

P1114

C

C

C

P1115

C

C

C

P1125

A

A

A

P1133

B

B

B

P1153

B

B

B

P1172

C

C

C

P1258

A

A

A

P1380

C

X

X

P1381

C

X

X

P1514

A

A

A

P1515

A

A

A

P1516

A

A

A

P1518

A

A

A

P1571

C

C

C

P1574

C

C

C

P1626

C

C

C

P1631

C

C

C

P1637

C

C

C

P1638

C

C

C

P1683

B

B

B

P1689

C

C

C

P1810

B

B

C

P1860

B

B

C

P1875

B

B

C

P2066

C

C

C

P2068

C

C

C

P2108

A

A

A

P2120

C

C

C

P2121

C

C

C

P2125

C

C

C

P2135

A

A

A

U1026

C

C

C

U1041

C

C

C

U1056

C

C

C

U1064

C

C

C

U1300

C

C

C

U1301

C

C

C